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| author | Ingo Molnar <mingo@elte.hu> | 2009-08-09 12:46:45 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-08-09 12:46:49 +0200 |
| commit | e3560336be655c6791316482fe288b119f34c427 (patch) | |
| tree | 43ca9a6b489aaa3918b773f78a7eda37458ef0a8 /drivers/staging/rspiusb/rspiusb.c | |
| parent | 26528e773ecc74fb1b61b7275f86f761cbb340ec (diff) | |
| parent | 7b2aa037e878c939676675969983284a02958ae3 (diff) | |
Merge branch 'linus' into tracing/urgent
Merge reason: Merge up to almost-rc6 to pick up latest perfcounters
(on which we'll queue up a dependent fix)
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/staging/rspiusb/rspiusb.c')
| -rw-r--r-- | drivers/staging/rspiusb/rspiusb.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/staging/rspiusb/rspiusb.c b/drivers/staging/rspiusb/rspiusb.c index 2f8155c1968..04e2f92c0f6 100644 --- a/drivers/staging/rspiusb/rspiusb.c +++ b/drivers/staging/rspiusb/rspiusb.c @@ -716,6 +716,8 @@ static int MapUserBuffer(struct ioctl_struct *io, struct device_extension *pdx) pdx->PixelUrb[frameInfo][i]->transfer_flags = URB_NO_TRANSFER_DMA_MAP | URB_NO_INTERRUPT; } + if (i == 0) + return -EINVAL; /* only interrupt when last URB completes */ pdx->PixelUrb[frameInfo][--i]->transfer_flags &= ~URB_NO_INTERRUPT; pdx->pendedPixelUrbs[frameInfo] = |