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[SCSI] pmcraid: redundant check in pmcraid_check_ioctl_buffer() 

struct pmcraid_ioctl_header member buffer_length is unsigned, so this
check appears redundant.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Anil Ravindranath <anil_ravindranath@pmc-sierra.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Roel Kluin 2010-03-11 14:09:44 -08:00 committed by James Bottomley
parent 6ce00cae68
commit f3d6e1dcd2
1 changed files with 0 additions and 6 deletions
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6
drivers/scsi/pmcraid.c
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@ -3751,12 +3751,6 @@ static int pmcraid_check_ioctl_buffer(
return -EINVAL;
}
/* buffer length can't be negetive */
if (hdr->buffer_length < 0) {
pmcraid_err("ioctl: invalid buffer length specified\n");
return -EINVAL;
}
/* check for appropriate buffer access */
if ((_IOC_DIR(cmd) & _IOC_READ) == _IOC_READ)
access = VERIFY_WRITE;