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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2021-09-21 23:32:33 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-10-09 13:24:30 +0200 |
| commit | f117a356fb0a11d8d2230305de3958216ca84770 (patch) | |
| tree | 669ecf03155beb6507ae0c665e70b3db669e526c /mm/debug.c | |
| parent | 01c1f45a3c3480488f008506a132fb032fbd447d (diff) | |
ext2: fix sleeping in atomic bugs on error
[ Upstream commit 372d1f3e1bfede719864d0d1fbf3146b1e638c88 ]
The ext2_error() function syncs the filesystem so it sleeps. The caller
is holding a spinlock so it's not allowed to sleep.
ext2_statfs() <- disables preempt
-> ext2_count_free_blocks()
-> ext2_get_group_desc()
Fix this by using WARN() to print an error message and a stack trace
instead of using ext2_error().
Link: https://lore.kernel.org/r/20210921203233.GA16529@kili
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'mm/debug.c')
0 files changed, 0 insertions, 0 deletions