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scsi: message: fusion: Remove redundant variable iocnum 

Variable iocnum is assigned a value that is never read, the assignment and
hence the variable are redundant can be removed. Also update the comment to
reflect the correct name of the variable being updated.

Cleans up clang-scan warning:

drivers/message/fusion/mptctl.c:641:8: warning: Although the value stored
to 'iocnum' is used in the enclosing expression, the value is never
actually read from 'iocnum' [deadcode.DeadStores]

Link: https://lore.kernel.org/r/20220805113214.2339022-1-colin.i.king@gmail.com
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Colin Ian King 2022-08-05 12:32:14 +01:00 committed by Martin K. Petersen
parent f45fadde91
commit 231159f334
1 changed files with 2 additions and 4 deletions
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6
drivers/message/fusion/mptctl.c
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@ -620,7 +620,6 @@ __mptctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
mpt_ioctl_header __user *uhdr = (void __user *) arg;
mpt_ioctl_header khdr;
int iocnum;
unsigned iocnumX;
int nonblock = (file->f_flags & O_NONBLOCK);
int ret;
@ -634,12 +633,11 @@ __mptctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
}
ret = -ENXIO; /* (-6) No such device or address */
/* Verify intended MPT adapter - set iocnum and the adapter
/* Verify intended MPT adapter - set iocnumX and the adapter
* pointer (iocp)
*/
iocnumX = khdr.iocnum & 0xFF;
if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) ||
(iocp == NULL))
if ((mpt_verify_adapter(iocnumX, &iocp) < 0) || (iocp == NULL))
return -ENODEV;
if (!iocp->active) {