Commit 4170a20f authored by Sudip Mukherjee's avatar Sudip Mukherjee Committed by Linus Torvalds

drivers/pcmcia/m32r_pcc.c: check return from request_irq

While building m32r allmodconfig we were getting warning:

  drivers/pcmcia/m32r_pcc.c:331:2: warning: ignoring return value of 'request_irq', declared with attribute warn_unused_result

request_irq() can fail and we should always be checking the result from
it. Check the result and return it to the caller.

Link: http://lkml.kernel.org/r/1474237304-897-1-git-send-email-sudipm.mukherjee@gmail.comSigned-off-by: default avatarSudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 17e96230
...@@ -296,10 +296,11 @@ static int __init is_alive(u_short sock) ...@@ -296,10 +296,11 @@ static int __init is_alive(u_short sock)
return 0; return 0;
} }
static void add_pcc_socket(ulong base, int irq, ulong mapaddr, static int add_pcc_socket(ulong base, int irq, ulong mapaddr,
unsigned int ioaddr) unsigned int ioaddr)
{ {
pcc_socket_t *t = &socket[pcc_sockets]; pcc_socket_t *t = &socket[pcc_sockets];
int err;
/* add sockets */ /* add sockets */
t->ioaddr = ioaddr; t->ioaddr = ioaddr;
...@@ -328,11 +329,16 @@ static void add_pcc_socket(ulong base, int irq, ulong mapaddr, ...@@ -328,11 +329,16 @@ static void add_pcc_socket(ulong base, int irq, ulong mapaddr,
t->socket.irq_mask = 0; t->socket.irq_mask = 0;
t->socket.pci_irq = 2 + pcc_sockets; /* XXX */ t->socket.pci_irq = 2 + pcc_sockets; /* XXX */
request_irq(irq, pcc_interrupt, 0, "m32r-pcc", pcc_interrupt); err = request_irq(irq, pcc_interrupt, 0, "m32r-pcc", pcc_interrupt);
if (err) {
if (t->base > 0)
release_region(t->base, 0x20);
return err;
}
pcc_sockets++; pcc_sockets++;
return; return 0;
} }
......
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