diff options
| author | Mikulas Patocka <mpatocka@redhat.com> | 2026-05-25 14:48:58 +0200 |
|---|---|---|
| committer | Mikulas Patocka <mpatocka@redhat.com> | 2026-05-25 14:48:58 +0200 |
| commit | 974820a59efde7c1a7e1260bcfe9bb81f833cc9f (patch) | |
| tree | 1e6d6d137503befefdbefa11d402cefd60f8f37b | |
| parent | e7ae89a0c97ce2b68b0983cd01eda67cf373517d (diff) | |
hpfs: fix a crash if hpfs_map_dnode_bitmap fails
If hpfs_map_dnode_bitmap fails, the code would call hpfs_brelse4 on
uninitialized quad buffer head, causing a crash.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Reported-by: Farhad Alemi <farhad.alemi@berkeley.edu>
Cc: stable@vger.kernel.org
| -rw-r--r-- | fs/hpfs/alloc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/hpfs/alloc.c b/fs/hpfs/alloc.c index 66617b1557c6..f5150372618e 100644 --- a/fs/hpfs/alloc.c +++ b/fs/hpfs/alloc.c @@ -372,8 +372,8 @@ int hpfs_check_free_dnodes(struct super_block *s, int n) return 0; } } + hpfs_brelse4(&qbh); } - hpfs_brelse4(&qbh); i = 0; if (hpfs_sb(s)->sb_c_bitmap != -1) { bmp = hpfs_map_bitmap(s, b, &qbh, "chkdn1"); |