diff options
| author | Andrey Utkin <andrey.krieger.utkin@gmail.com> | 2014-07-17 15:18:53 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-07-17 18:38:37 -0700 |
| commit | 389345cf6d71914b39130b1ea04dab1b7bacf6bd (patch) | |
| tree | 609495e2bb25b871e332d427a4ea9e6de647c762 /drivers/char | |
| parent | fe2f17eb3da38ac0d5a00c511255bf3a33d16d24 (diff) | |
| download | lwn-389345cf6d71914b39130b1ea04dab1b7bacf6bd.tar.gz lwn-389345cf6d71914b39130b1ea04dab1b7bacf6bd.zip | |
drivers/char/dsp56k.c: drop check for negativity of unsigned parameter
[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 <dcb314@hotmail.com>
Signed-off-by: Andrey Utkin <andrey.krieger.utkin@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/dsp56k.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/char/dsp56k.c b/drivers/char/dsp56k.c index 01a5ca7425d7..8bf70e8c3f79 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) | |