tcmu: free old string on reconfig

On initial tcmu_configure_device call the info->name would
have already been allocated and set, so on the second call
make sure to free it first.

Reported-by: Mike Christie <mchristi@redhat.com>
Reviewed-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Bryant G. Ly 2017-07-14 08:11:04 -05:00 committed by Nicholas Bellinger
parent c542942cb4
commit ededd039d1
1 changed files with 2 additions and 0 deletions

View File

@ -1432,6 +1432,8 @@ static int tcmu_update_uio_info(struct tcmu_dev *udev)
if (udev->dev_config[0])
snprintf(str + used, size - used, "/%s", udev->dev_config);
/* If the old string exists, free it */
kfree(info->name);
info->name = str;
return 0;