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authorStefan Brüns <stefan.bruens@rwth-aachen.de>2016-09-06 04:36:51 +0200
committerTom Rini <trini@konsulko.com>2016-09-23 09:02:41 -0400
commit87a40b6e037ce73cb7c3ac93b2a049d5299b92c8 (patch)
tree69c0e218a73c5b6d78bb76f0afef985376aaaff3
parent0ceef3d3710960347fde6c57f12f3de6fe9cfaaf (diff)
ext4: Fix memory leak in case of failure
temp_ptr should always be freed, even if the function is left via goto fail. Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de> Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>
-rw-r--r--fs/ext4/ext4_write.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/ext4/ext4_write.c b/fs/ext4/ext4_write.c
index 8554793f4f..c55e2528e3 100644
--- a/fs/ext4/ext4_write.c
+++ b/fs/ext4/ext4_write.c
@@ -974,7 +974,6 @@ int ext4fs_write(const char *fname, unsigned char *buffer,
sizeof(struct ext2_inode));
if (ext4fs_put_metadata(temp_ptr, parent_itable_blkno))
goto fail;
- free(temp_ptr);
} else {
/*
* If parent and child fall in same inode table block
@@ -985,7 +984,6 @@ int ext4fs_write(const char *fname, unsigned char *buffer,
gd_index--;
if (ext4fs_put_metadata(temp_ptr, itable_blkno))
goto fail;
- free(temp_ptr);
}
ext4fs_update();
ext4fs_deinit();
@@ -996,6 +994,7 @@ int ext4fs_write(const char *fname, unsigned char *buffer,
fs->curr_inode_no = 0;
free(inode_buffer);
free(g_parent_inode);
+ free(temp_ptr);
g_parent_inode = NULL;
return 0;
@@ -1003,6 +1002,7 @@ fail:
ext4fs_deinit();
free(inode_buffer);
free(g_parent_inode);
+ free(temp_ptr);
g_parent_inode = NULL;
return -1;