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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
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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
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