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Commit 5c0c6c39 authored by Tomas Winkler's avatar Tomas Winkler Committed by Greg Kroah-Hartman
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staging/easycap: implement strerror function 

Replace long switch statements that just print out errno
with strerror function. It reduces around 700 lines from the code.

The function should be probably dropped at all but leave for now
to not break currently expected debug output.
Signed-off-by: default avatarTomas Winkler <tomas.winkler@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 482cd2d8
Show whitespace changes
Inline Side-by-side
Showing with 87 additions and 793 deletions
drivers/staging/easycap/easycap.h
View file @ 5c0c6c39
......@@ -644,6 +644,8 @@ struct signed_div_result {
* IMMEDIATELY OBVIOUS FROM A CASUAL READING OF THE SOURCE CODE. BEWARE.
*/
/*---------------------------------------------------------------------------*/
const char *strerror(int err);
#define SAY(format, args...) do { \
printk(KERN_DEBUG "easycap:: %s: " \
format, __func__, ##args); \
......
drivers/staging/easycap/easycap_main.c
View file @ 5c0c6c39
......@@ -58,6 +58,48 @@ static struct mutex mutex_dongle;
static void easycap_complete(struct urb *purb);
static int reset(struct easycap *peasycap);
const char *strerror(int err)
{
#define ERRNOSTR(_e) case _e: return # _e
switch (err) {
case 0: return "OK";
ERRNOSTR(ENOMEM);
ERRNOSTR(ENODEV);
ERRNOSTR(ENXIO);
ERRNOSTR(EINVAL);
ERRNOSTR(EAGAIN);
ERRNOSTR(EFBIG);
ERRNOSTR(EPIPE);
ERRNOSTR(EMSGSIZE);
ERRNOSTR(ENOSPC);
ERRNOSTR(EINPROGRESS);
ERRNOSTR(ENOSR);
ERRNOSTR(EOVERFLOW);
ERRNOSTR(EPROTO);
ERRNOSTR(EILSEQ);
ERRNOSTR(ETIMEDOUT);
ERRNOSTR(EOPNOTSUPP);
ERRNOSTR(EPFNOSUPPORT);
ERRNOSTR(EAFNOSUPPORT);
ERRNOSTR(EADDRINUSE);
ERRNOSTR(EADDRNOTAVAIL);
ERRNOSTR(ENOBUFS);
ERRNOSTR(EISCONN);
ERRNOSTR(ENOTCONN);
ERRNOSTR(ESHUTDOWN);
ERRNOSTR(ENOENT);
ERRNOSTR(ECONNRESET);
ERRNOSTR(ETIME);
ERRNOSTR(ECOMM);
ERRNOSTR(EREMOTEIO);
ERRNOSTR(EXDEV);
ERRNOSTR(EPERM);
default: return "unknown";
}
#undef ERRNOSTR
}
/*---------------------------------------------------------------------------*/
/*
* PARAMETERS USED WHEN REGISTERING THE VIDEO INTERFACE
......@@ -599,62 +641,13 @@ if (!peasycap->video_isoc_streaming) {
}
rc = usb_submit_urb(purb, GFP_KERNEL);
if (0 != rc) {
if (rc) {
isbad++;
SAM("ERROR: usb_submit_urb() failed "
"for urb with rc:\n");
switch (rc) {
case -ENOMEM: {
SAM("ERROR: -ENOMEM="
"usb_submit_urb()\n");
break;
}
case -ENODEV: {
SAM("ERROR: -ENODEV="
"usb_submit_urb()\n");
break;
}
case -ENXIO: {
SAM("ERROR: -ENXIO="
"usb_submit_urb()\n");
break;
}
case -EINVAL: {
SAM("ERROR: -EINVAL="
"usb_submit_urb()\n");
break;
}
case -EAGAIN: {
SAM("ERROR: -EAGAIN="
"usb_submit_urb()\n");
break;
}
case -EFBIG: {
SAM("ERROR: -EFBIG="
"usb_submit_urb()\n");
break;
}
case -EPIPE: {
SAM("ERROR: -EPIPE="
"usb_submit_urb()\n");
break;
}
case -EMSGSIZE: {
SAM("ERROR: -EMSGSIZE="
"usb_submit_urb()\n");
break;
}
case -ENOSPC: {
"for urb with rc:-%s\n",
strerror(rc));
if (rc == -ENOSPC)
nospc++;
break;
}
default: {
SAM("ERROR: %i="
"usb_submit_urb()\n",
rc);
break;
}
}
} else {
m++;
}
......@@ -2801,49 +2794,8 @@ if (peasycap->video_idle) {
peasycap->video_idle, peasycap->video_isoc_streaming);
if (peasycap->video_isoc_streaming) {
rc = usb_submit_urb(purb, GFP_ATOMIC);
if (0 != rc) {
switch (rc) {
case -ENOMEM: {
SAM("ENOMEM\n");
break;
}
case -ENODEV: {
SAM("ENODEV\n");
break;
}
case -ENXIO: {
SAM("ENXIO\n");
break;
}
case -EINVAL: {
SAM("EINVAL\n");
break;
}
case -EAGAIN: {
SAM("EAGAIN\n");
break;
}
case -EFBIG: {
SAM("EFBIG\n");
break;
}
case -EPIPE: {
SAM("EPIPE\n");
break;
}
case -EMSGSIZE: {
SAM("EMSGSIZE\n");
break;
}
case -ENOSPC: {
SAM("ENOSPC\n");
break;
}
default: {
SAM("0x%08X\n", rc);
break;
}
}
if (rc) {
SAM("%s:%d ENOMEM\n", strerror(rc), rc);
if (-ENODEV != rc)
SAM("ERROR: while %i=video_idle, "
"usb_submit_urb() "
......@@ -2866,137 +2818,17 @@ if (purb->status) {
}
(peasycap->field_buffer[peasycap->field_fill][0].kount) |= 0x8000 ;
SAM("ERROR: bad urb status:\n");
switch (purb->status) {
case -EINPROGRESS: {
SAM("-EINPROGRESS\n"); break;
}
case -ENOSR: {
SAM("-ENOSR\n"); break;
}
case -EPIPE: {
SAM("-EPIPE\n"); break;
}
case -EOVERFLOW: {
SAM("-EOVERFLOW\n"); break;
}
case -EPROTO: {
SAM("-EPROTO\n"); break;
}
case -EILSEQ: {
SAM("-EILSEQ\n"); break;
}
case -ETIMEDOUT: {
SAM("-ETIMEDOUT\n"); break;
}
case -EMSGSIZE: {
SAM("-EMSGSIZE\n"); break;
}
case -EOPNOTSUPP: {
SAM("-EOPNOTSUPP\n"); break;
}
case -EPFNOSUPPORT: {
SAM("-EPFNOSUPPORT\n"); break;
}
case -EAFNOSUPPORT: {
SAM("-EAFNOSUPPORT\n"); break;
}
case -EADDRINUSE: {
SAM("-EADDRINUSE\n"); break;
}
case -EADDRNOTAVAIL: {
SAM("-EADDRNOTAVAIL\n"); break;
}
case -ENOBUFS: {
SAM("-ENOBUFS\n"); break;
}
case -EISCONN: {
SAM("-EISCONN\n"); break;
}
case -ENOTCONN: {
SAM("-ENOTCONN\n"); break;
}
case -ESHUTDOWN: {
SAM("-ESHUTDOWN\n"); break;
}
case -ENOENT: {
SAM("-ENOENT\n"); break;
}
case -ECONNRESET: {
SAM("-ECONNRESET\n"); break;
}
case -ENOSPC: {
SAM("ENOSPC\n"); break;
}
default: {
SAM("unknown error code 0x%08X\n", purb->status); break;
}
}
SAM("ERROR: bad urb status -%s: %d\n",
strerror(purb->status), purb->status);
/*---------------------------------------------------------------------------*/
} else {
for (i = 0; i < purb->number_of_packets; i++) {
if (0 != purb->iso_frame_desc[i].status) {
(peasycap->field_buffer
[peasycap->field_fill][0].kount) |= 0x8000 ;
switch (purb->iso_frame_desc[i].status) {
case 0: {
strcpy(&errbuf[0], "OK"); break;
}
case -ENOENT: {
strcpy(&errbuf[0], "-ENOENT"); break;
}
case -EINPROGRESS: {
strcpy(&errbuf[0], "-EINPROGRESS"); break;
}
case -EPROTO: {
strcpy(&errbuf[0], "-EPROTO"); break;
}
case -EILSEQ: {
strcpy(&errbuf[0], "-EILSEQ"); break;
}
case -ETIME: {
strcpy(&errbuf[0], "-ETIME"); break;
}
case -ETIMEDOUT: {
strcpy(&errbuf[0], "-ETIMEDOUT"); break;
}
case -EPIPE: {
strcpy(&errbuf[0], "-EPIPE"); break;
}
case -ECOMM: {
strcpy(&errbuf[0], "-ECOMM"); break;
}
case -ENOSR: {
strcpy(&errbuf[0], "-ENOSR"); break;
}
case -EOVERFLOW: {
strcpy(&errbuf[0], "-EOVERFLOW"); break;
}
case -EREMOTEIO: {
strcpy(&errbuf[0], "-EREMOTEIO"); break;
}
case -ENODEV: {
strcpy(&errbuf[0], "-ENODEV"); break;
}
case -EXDEV: {
strcpy(&errbuf[0], "-EXDEV"); break;
}
case -EINVAL: {
strcpy(&errbuf[0], "-EINVAL"); break;
}
case -ECONNRESET: {
strcpy(&errbuf[0], "-ECONNRESET"); break;
}
case -ENOSPC: {
SAM("ENOSPC\n"); break;
}
case -ESHUTDOWN: {
strcpy(&errbuf[0], "-ESHUTDOWN"); break;
}
default: {
strcpy(&errbuf[0], "unknown error"); break;
}
}
/* FIXME: 1. missing '-' check boundaries */
strcpy(&errbuf[0],
strerror(purb->iso_frame_desc[i].status));
}
framestatus = purb->iso_frame_desc[i].status;
framelength = purb->iso_frame_desc[i].length;
......@@ -3270,39 +3102,8 @@ if (VIDEO_ISOC_BUFFER_MANY <= peasycap->video_junk) {
}
if (peasycap->video_isoc_streaming) {
rc = usb_submit_urb(purb, GFP_ATOMIC);
if (0 != rc) {
switch (rc) {
case -ENOMEM: {
SAM("ENOMEM\n"); break;
}
case -ENODEV: {
SAM("ENODEV\n"); break;
}
case -ENXIO: {
SAM("ENXIO\n"); break;
}
case -EINVAL: {
SAM("EINVAL\n"); break;
}
case -EAGAIN: {
SAM("EAGAIN\n"); break;
}
case -EFBIG: {
SAM("EFBIG\n"); break;
}
case -EPIPE: {
SAM("EPIPE\n"); break;
}
case -EMSGSIZE: {
SAM("EMSGSIZE\n"); break;
}
case -ENOSPC: {
SAM("ENOSPC\n"); break;
}
default: {
SAM("0x%08X\n", rc); break;
}
}
if (rc) {
SAM("%s: %d\n", strerror(rc), rc);
if (-ENODEV != rc)
SAM("ERROR: while %i=video_idle, "
"usb_submit_urb() "
......
drivers/staging/easycap/easycap_sound.c
View file @ 5c0c6c39
......@@ -213,93 +213,8 @@ if (purb->status) {
JOM(16, "urb status -ESHUTDOWN or -ENOENT\n");
return;
}
SAM("ERROR: non-zero urb status:\n");
switch (purb->status) {
case -EINPROGRESS: {
SAM("-EINPROGRESS\n");
break;
}
case -ENOSR: {
SAM("-ENOSR\n");
break;
}
case -EPIPE: {
SAM("-EPIPE\n");
break;
}
case -EOVERFLOW: {
SAM("-EOVERFLOW\n");
break;
}
case -EPROTO: {
SAM("-EPROTO\n");
break;
}
case -EILSEQ: {
SAM("-EILSEQ\n");
break;
}
case -ETIMEDOUT: {
SAM("-ETIMEDOUT\n");
break;
}
case -EMSGSIZE: {
SAM("-EMSGSIZE\n");
break;
}
case -EOPNOTSUPP: {
SAM("-EOPNOTSUPP\n");
break;
}
case -EPFNOSUPPORT: {
SAM("-EPFNOSUPPORT\n");
break;
}
case -EAFNOSUPPORT: {
SAM("-EAFNOSUPPORT\n");
break;
}
case -EADDRINUSE: {
SAM("-EADDRINUSE\n");
break;
}
case -EADDRNOTAVAIL: {
SAM("-EADDRNOTAVAIL\n");
break;
}
case -ENOBUFS: {
SAM("-ENOBUFS\n");
break;
}
case -EISCONN: {
SAM("-EISCONN\n");
break;
}
case -ENOTCONN: {
SAM("-ENOTCONN\n");
break;
}
case -ESHUTDOWN: {
SAM("-ESHUTDOWN\n");
break;
}
case -ENOENT: {
SAM("-ENOENT\n");
break;
}
case -ECONNRESET: {
SAM("-ECONNRESET\n");
break;
}
case -ENOSPC: {
SAM("ENOSPC\n");
break;
}
default: {
SAM("unknown error: %i\n", purb->status);
break;
}
}
SAM("ERROR: non-zero urb status: -%s: %d\n",
strerror(purb->status), purb->status);
goto resubmit;
}
/*---------------------------------------------------------------------------*/
......@@ -313,86 +228,10 @@ oldaudio = peasycap->oldaudio;
#endif /*UPSAMPLE*/
for (i = 0; i < purb->number_of_packets; i++) {
switch (purb->iso_frame_desc[i].status) {
case 0: {
break;
}
case -ENOENT: {
SAM("-ENOENT\n");
break;
}
case -EINPROGRESS: {
SAM("-EINPROGRESS\n");
break;
}
case -EPROTO: {
SAM("-EPROTO\n");
break;
}
case -EILSEQ: {
SAM("-EILSEQ\n");
break;
}
case -ETIME: {
SAM("-ETIME\n");
break;
}
case -ETIMEDOUT: {
SAM("-ETIMEDOUT\n");
break;
}
case -EPIPE: {
SAM("-EPIPE\n");
break;
}
case -ECOMM: {
SAM("-ECOMM\n");
break;
}
case -ENOSR: {
SAM("-ENOSR\n");
break;
}
case -EOVERFLOW: {
SAM("-EOVERFLOW\n");
break;
}
case -EREMOTEIO: {
SAM("-EREMOTEIO\n");
break;
}
case -ENODEV: {
SAM("-ENODEV\n");
break;
}
case -EXDEV: {
SAM("-EXDEV\n");
break;
}
case -EINVAL: {
SAM("-EINVAL\n");
break;
}
case -ECONNRESET: {
SAM("-ECONNRESET\n");
break;
}
case -ENOSPC: {
SAM("-ENOSPC\n");
break;
}
case -ESHUTDOWN: {
SAM("-ESHUTDOWN\n");
break;
}
case -EPERM: {
SAM("-EPERM\n");
break;
}
default: {
SAM("unknown error: %i\n", purb->iso_frame_desc[i].status);
break;
}
if (purb->iso_frame_desc[i].status < 0) {
SAM("-%s: %d\n",
strerror(purb->iso_frame_desc[i].status),
purb->iso_frame_desc[i].status);
}
if (!purb->iso_frame_desc[i].status) {
more = purb->iso_frame_desc[i].actual_length;
......@@ -537,56 +376,12 @@ peasycap->oldaudio = oldaudio;
resubmit:
if (peasycap->audio_isoc_streaming) {
rc = usb_submit_urb(purb, GFP_ATOMIC);
if (0 != rc) {
if (rc) {
if ((-ENODEV != rc) && (-ENOENT != rc)) {
SAM("ERROR: while %i=audio_idle, "
"usb_submit_urb() failed "
"with rc:\n", peasycap->audio_idle);
}
switch (rc) {
case -ENODEV:
case -ENOENT:
break;
case -ENOMEM: {
SAM("-ENOMEM\n");
break;
}
case -ENXIO: {
SAM("-ENXIO\n");
break;
}
case -EINVAL: {
SAM("-EINVAL\n");
break;
}
case -EAGAIN: {
SAM("-EAGAIN\n");
break;
}
case -EFBIG: {
SAM("-EFBIG\n");
break;
}
case -EPIPE: {
SAM("-EPIPE\n");
break;
}
case -EMSGSIZE: {
SAM("-EMSGSIZE\n");
break;
}
case -ENOSPC: {
SAM("-ENOSPC\n");
break;
}
case -EPERM: {
SAM("-EPERM\n");
break;
}
default: {
SAM("unknown error: %i\n", rc);
break;
}
"with rc: -%s :%d\n", peasycap->audio_idle,
strerror(rc), rc);
}
if (0 < peasycap->audio_isoc_streaming)
(peasycap->audio_isoc_streaming)--;
......@@ -945,56 +740,12 @@ if (peasycap->audio_idle) {
peasycap->audio_idle, peasycap->audio_isoc_streaming);
if (peasycap->audio_isoc_streaming) {
rc = usb_submit_urb(purb, GFP_ATOMIC);
if (0 != rc) {
if (rc) {
if (-ENODEV != rc && -ENOENT != rc) {
SAM("ERROR: while %i=audio_idle, "
"usb_submit_urb() failed with rc:\n",
peasycap->audio_idle);
}
switch (rc) {
case -ENODEV:
case -ENOENT:
break;
case -ENOMEM: {
SAM("-ENOMEM\n");
break;
}
case -ENXIO: {
SAM("-ENXIO\n");
break;
}
case -EINVAL: {
SAM("-EINVAL\n");
break;
}
case -EAGAIN: {
SAM("-EAGAIN\n");
break;
}
case -EFBIG: {
SAM("-EFBIG\n");
break;
}
case -EPIPE: {
SAM("-EPIPE\n");
break;
}
case -EMSGSIZE: {
SAM("-EMSGSIZE\n");
break;
}
case -ENOSPC: {
SAM("-ENOSPC\n");
break;
}
case -EPERM: {
SAM("-EPERM\n");
break;
}
default: {
SAM("unknown error: %i\n", rc);
break;
}
"usb_submit_urb() failed with rc: -%s: %d\n",
peasycap->audio_idle,
strerror(rc), rc);
}
}
}
......@@ -1006,97 +757,8 @@ if (purb->status) {
JOM(16, "urb status -ESHUTDOWN or -ENOENT\n");
return;
}
SAM("ERROR: non-zero urb status:\n");
switch (purb->status) {
case -EINPROGRESS: {
SAM("-EINPROGRESS\n");
break;
}
case -ENOSR: {
SAM("-ENOSR\n");
break;
}
case -EPIPE: {
SAM("-EPIPE\n");
break;
}
case -EOVERFLOW: {
SAM("-EOVERFLOW\n");
break;
}
case -EPROTO: {
SAM("-EPROTO\n");
break;
}
case -EILSEQ: {
SAM("-EILSEQ\n");
break;
}
case -ETIMEDOUT: {
SAM("-ETIMEDOUT\n");
break;
}
case -EMSGSIZE: {
SAM("-EMSGSIZE\n");
break;
}
case -EOPNOTSUPP: {
SAM("-EOPNOTSUPP\n");
break;
}
case -EPFNOSUPPORT: {
SAM("-EPFNOSUPPORT\n");
break;
}
case -EAFNOSUPPORT: {
SAM("-EAFNOSUPPORT\n");
break;
}
case -EADDRINUSE: {
SAM("-EADDRINUSE\n");
break;
}
case -EADDRNOTAVAIL: {
SAM("-EADDRNOTAVAIL\n");
break;
}
case -ENOBUFS: {
SAM("-ENOBUFS\n");
break;
}
case -EISCONN: {
SAM("-EISCONN\n");
break;
}
case -ENOTCONN: {
SAM("-ENOTCONN\n");
break;
}
case -ESHUTDOWN: {
SAM("-ESHUTDOWN\n");
break;
}
case -ENOENT: {
SAM("-ENOENT\n");
break;
}
case -ECONNRESET: {
SAM("-ECONNRESET\n");
break;
}
case -ENOSPC: {
SAM("ENOSPC\n");
break;
}
case -EPERM: {
SAM("-EPERM\n");
break;
}
default: {
SAM("unknown error: %i\n", purb->status);
break;
}
}
SAM("ERROR: non-zero urb status: -%s: %d\n",
strerror(purb->status), purb->status);
goto resubmit;
}
/*---------------------------------------------------------------------------*/
......@@ -1109,88 +771,10 @@ oldaudio = peasycap->oldaudio;
#endif /*UPSAMPLE*/
for (i = 0; i < purb->number_of_packets; i++) {
switch (purb->iso_frame_desc[i].status) {
case 0: {
break;
}
case -ENODEV: {
SAM("-ENODEV\n");
break;
}
case -ENOENT: {
SAM("-ENOENT\n");
break;
}
case -EINPROGRESS: {
SAM("-EINPROGRESS\n");
break;
}
case -EPROTO: {
SAM("-EPROTO\n");
break;
}
case -EILSEQ: {
SAM("-EILSEQ\n");
break;
}
case -ETIME: {
SAM("-ETIME\n");
break;
}
case -ETIMEDOUT: {
SAM("-ETIMEDOUT\n");
break;
}
case -EPIPE: {
SAM("-EPIPE\n");
break;
}
case -ECOMM: {
SAM("-ECOMM\n");
break;
}
case -ENOSR: {
SAM("-ENOSR\n");
break;
}
case -EOVERFLOW: {
SAM("-EOVERFLOW\n");
break;
}
case -EREMOTEIO: {
SAM("-EREMOTEIO\n");
break;
}
case -EXDEV: {
SAM("-EXDEV\n");
break;
}
case -EINVAL: {
SAM("-EINVAL\n");
break;
}
case -ECONNRESET: {
SAM("-ECONNRESET\n");
break;
}
case -ENOSPC: {
SAM("-ENOSPC\n");
break;
}
case -ESHUTDOWN: {
SAM("-ESHUTDOWN\n");
break;
}
case -EPERM: {
SAM("-EPERM\n");
break;
}
default: {
SAM("unknown error: %i\n", purb->iso_frame_desc[i].status);
break;
}
}
if (!purb->iso_frame_desc[i].status) {
SAM("-%s\n", strerror(purb->iso_frame_desc[i].status));
more = purb->iso_frame_desc[i].actual_length;
#if defined(TESTTONE)
......@@ -1370,52 +954,8 @@ if (peasycap->audio_isoc_streaming) {
if (-ENODEV != rc && -ENOENT != rc) {
SAM("ERROR: while %i=audio_idle, "
"usb_submit_urb() failed "
"with rc:\n", peasycap->audio_idle);
}
switch (rc) {
case -ENODEV:
case -ENOENT:
break;
case -ENOMEM: {
SAM("-ENOMEM\n");
break;
}
case -ENXIO: {
SAM("-ENXIO\n");
break;
}
case -EINVAL: {
SAM("-EINVAL\n");
break;
}
case -EAGAIN: {
SAM("-EAGAIN\n");
break;
}
case -EFBIG: {
SAM("-EFBIG\n");
break;
}
case -EPIPE: {
SAM("-EPIPE\n");
break;
}
case -EMSGSIZE: {
SAM("-EMSGSIZE\n");
break;
}
case -ENOSPC: {
SAM("-ENOSPC\n");
break;
}
case -EPERM: {
SAM("-EPERM\n");
break;
}
default: {
SAM("unknown error: %i\n", rc);
break;
}
"with rc: -%s: %d\n", peasycap->audio_idle,
strerror(rc), rc);
}
}
}
......@@ -1965,60 +1505,11 @@ if (!peasycap->audio_isoc_streaming) {
}
rc = usb_submit_urb(purb, GFP_KERNEL);
if (0 != rc) {
if (rc) {
isbad++;
SAM("ERROR: usb_submit_urb() failed"
" for urb with rc:\n");
switch (rc) {
case -ENODEV: {
SAM("-ENODEV\n");
break;
}
case -ENOENT: {
SAM("-ENOENT\n");
break;
}
case -ENOMEM: {
SAM("-ENOMEM\n");
break;
}
case -ENXIO: {
SAM("-ENXIO\n");
break;
}
case -EINVAL: {
SAM("-EINVAL\n");
break;
}
case -EAGAIN: {
SAM("-EAGAIN\n");
break;
}
case -EFBIG: {
SAM("-EFBIG\n");
break;
}
case -EPIPE: {
SAM("-EPIPE\n");
break;
}
case -EMSGSIZE: {
SAM("-EMSGSIZE\n");
break;
}
case -ENOSPC: {
nospc++;
break;
}
case -EPERM: {
SAM("-EPERM\n");
break;
}
default: {
SAM("unknown error: %i\n", rc);
break;
}
}
" for urb with rc: -%s: %d\n",
strerror(rc), rc);
} else {
m++;
}
......
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