leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

s390/dasd: Write to profile data area only if it is available

Browse Source 
We check for the existence of block->profile.data before we write to
it, but the dependent code block misses braces.

Signed-off-by: Stefan Weinhuber <wein@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Stefan Weinhuber 2013-10-25 11:08:06 +02:00 committed by Martin Schwidefsky
parent 302bfe20ad
commit c81a90c853
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/s390/block/dasd.c
View File

@ -698,10 +698,11 @@ static void dasd_profile_start(struct dasd_block *block,
} }
spin_lock(&block->profile.lock); spin_lock(&block->profile.lock);
if (block->profile.data) if (block->profile.data) {
block->profile.data->dasd_io_nr_req[counter]++; block->profile.data->dasd_io_nr_req[counter]++;
if (rq_data_dir(req) == READ) if (rq_data_dir(req) == READ)
block->profile.data->dasd_read_nr_req[counter]++; block->profile.data->dasd_read_nr_req[counter]++;
}
spin_unlock(&block->profile.lock); spin_unlock(&block->profile.lock);
/* /*