korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-02 08:34:20 +08:00
Code Issues Packages Projects Releases Wiki Activity

fs: btrfs: volumes.c: Fix for possible null pointer dereference

Browse Source 
There is otherwise a risk of a possible null pointer dereference.

Was largely found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
Rickard Strandqvist 2014-05-22 22:43:43 +02:00 committed by Chris Mason
parent c1895442be
commit 8321cf2596
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
fs/btrfs/volumes.c
View File

@ -1690,11 +1690,12 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path)
struct btrfs_fs_devices *fs_devices;
fs_devices = root->fs_info->fs_devices;
while (fs_devices) {
if (fs_devices->seed == cur_devices)
if (fs_devices->seed == cur_devices) {
fs_devices->seed = cur_devices->seed;
break;
}
fs_devices = fs_devices->seed;
}
fs_devices->seed = cur_devices->seed;
cur_devices->seed = NULL;
lock_chunks(root);
__btrfs_close_devices(cur_devices);