diff options
| author | Bryant G. Ly <bryantly@linux.vnet.ibm.com> | 2017-07-14 15:11:04 +0200 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2017-07-31 00:23:21 +0200 |
| commit | ededd039d1b96035b23592c049efcae53922cfce (patch) | |
| tree | 36eeb68d6d9fcf2c2ac8ea0e8c35c62fc2c4d172 /drivers/target | |
| parent | tcmu: Fix possible to/from address overflow when doing the memcpy (diff) | |
| download | linux-ededd039d1b96035b23592c049efcae53922cfce.tar.xz linux-ededd039d1b96035b23592c049efcae53922cfce.zip | |
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>
Diffstat (limited to 'drivers/target')
| -rw-r--r-- | drivers/target/target_core_user.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c index db29b5cd0b95..942d094269fb 100644 --- a/drivers/target/target_core_user.c +++ b/drivers/target/target_core_user.c @@ -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; |