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s390/ccwgroup: increase string buffer size 

Avoid false positive warnings like this with gcc 7.1:

drivers/s390/cio/ccwgroup.c:41:21:
 warning: '%d' directive writing between 1 and 10 bytes into a region of size 4
   sprintf(str, "cdev%d", i);

and simply increase the size of the string buffer.

Reviewed-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2017-05-04 13:35:33 +02:00 committed by Martin Schwidefsky
parent 80ba38469a
commit 2685df6776
1 changed files with 2 additions and 2 deletions
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4
drivers/s390/cio/ccwgroup.c
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@ -35,7 +35,7 @@ static struct bus_type ccwgroup_bus_type;
static void __ccwgroup_remove_symlinks(struct ccwgroup_device *gdev)
{
int i;
char str[8];
char str[16];
for (i = 0; i < gdev->count; i++) {
sprintf(str, "cdev%d", i);
@ -238,7 +238,7 @@ static void ccwgroup_release(struct device *dev)
static int __ccwgroup_create_symlinks(struct ccwgroup_device *gdev)
{
char str[8];
char str[16];
int i, rc;
for (i = 0; i < gdev->count; i++) {