[linux-3.16-rc5/drivers/char/dsp56k.c:386]: (style) Checking if unsigned
variable 'arg' is less than zero.
Source code is
if (arg > 31 || arg < 0)
return -EINVAL;
But
static long dsp56k_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=80411
Reported-by: David Binderman <[email protected]>
Signed-off-by: Andrey Utkin <[email protected]>
---
drivers/char/dsp56k.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/char/dsp56k.c b/drivers/char/dsp56k.c
index 01a5ca7..8bf70e8 100644
--- a/drivers/char/dsp56k.c
+++ b/drivers/char/dsp56k.c
@@ -383,7 +383,7 @@ static long dsp56k_ioctl(struct file *file, unsigned int
cmd,
return put_user(status, &hf->status);
}
case DSP56K_HOST_CMD:
- if (arg > 31 || arg < 0)
+ if (arg > 31)
return -EINVAL;
mutex_lock(&dsp56k_mutex);
dsp56k_host_interface.cvr = (u_char)((arg &
DSP56K_CVR_HV_MASK) |
--
1.8.5.5
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