lkml.org 
[lkml]   [2024]   [May]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 1/9] jbd2: avoid memleak in jbd2_journal_write_metadata_buffer
Date
The new_bh is from alloc_buffer_head, we should call free_buffer_head to
free it in error case.

Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
---
fs/jbd2/journal.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index b6c114c11b97..207b24e12ce9 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -399,6 +399,7 @@ int jbd2_journal_write_metadata_buffer(transaction_t *transaction,
tmp = jbd2_alloc(bh_in->b_size, GFP_NOFS);
if (!tmp) {
brelse(new_bh);
+ free_buffer_head(new_bh);
return -ENOMEM;
}
spin_lock(&jh_in->b_state_lock);
--
2.30.0

\
 
 \ /
  Last update: 2024-05-27 18:17    [W:0.320 / U:0.644 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site