lkml.org 
[lkml]   [2017]   [Jun]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH] scsi: osst: remove useless variable assignments in osst_int_ioctl()
Value assigned to variable blkno at lines
4123:if (blkno >= 0) blkno += arg; and
4127:if (blkno >= 0) blkno -= arg;
is overwritten at line 4131:blkno = STps->drv_block;
before it can be used.

This makes such variable assignments useless.

Addresses-Coverity-ID: 1397685
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
---
drivers/scsi/osst.c | 13 +++++--------
1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/drivers/scsi/osst.c b/drivers/scsi/osst.c
index 929ee7e..a62c1f2 100644
--- a/drivers/scsi/osst.c
+++ b/drivers/scsi/osst.c
@@ -4118,14 +4118,11 @@ static int osst_int_ioctl(struct osst_tape * STp, struct osst_request ** aSRpnt,
printk(OSST_DEB_MSG "%s:D: Skipping %lu blocks %s from logical block %d\n",
name, arg, cmd_in==MTFSR?"forward":"backward", logical_blk_num);
#endif
- if (cmd_in == MTFSR) {
- logical_blk_num += arg;
- if (blkno >= 0) blkno += arg;
- }
- else {
- logical_blk_num -= arg;
- if (blkno >= 0) blkno -= arg;
- }
+ if (cmd_in == MTFSR)
+ logical_blk_num += arg;
+ else
+ logical_blk_num -= arg;
+
ioctl_result = osst_seek_logical_blk(STp, &SRpnt, logical_blk_num);
fileno = STps->drv_file;
blkno = STps->drv_block;
--
2.5.0
\
 
 \ /
  Last update: 2017-06-28 00:24    [W:0.019 / U:3.752 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site