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dma-debug: Fix bug causing build warning 

Stephen Rothwell reported the following build warning:

 lib/dma-debug.c: In function 'dma_debug_device_change':
 lib/dma-debug.c:680: warning: 'return' with no value, in function returning non-void

Introduced by commit f797d9881b
("dma-debug: Do not add notifier when dma debugging is disabled").

Return 0 [notify-done] when disabled. (this is standard bus notifier behavior.)

Signed-off-by: Shaun Ruffell <sruffell@digium.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: <stable@kernel.org>
LKML-Reference: <20091231125624.GA14666@liondog.tnic>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar 2009-12-31 15:16:23 +01:00
parent f405d2c023
commit a8fe9ea200
1 changed files with 2 additions and 3 deletions
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5
lib/dma-debug.c
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@ -670,14 +670,13 @@ static int device_dma_allocations(struct device *dev)
return count;
}
static int dma_debug_device_change(struct notifier_block *nb,
unsigned long action, void *data)
static int dma_debug_device_change(struct notifier_block *nb, unsigned long action, void *data)
{
struct device *dev = data;
int count;
if (global_disable)
return;
return 0;
switch (action) {
case BUS_NOTIFY_UNBOUND_DRIVER: