From: Stephen Warren <swar...@nvidia.com>
parse_path() malloc()s the entries in the array it's passed. Those
allocations must be free()d by the caller, ext4fs_get_parent_inode_num().
Add code to do this.
For this to work, all the array entries must be dynamically allocated,
rather than a mix of dynamic and static allocations. Fix parse_path() not
to over-write arr[0] with a pointer to statically allocated data.
Signed-off-by: Stephen Warren <swar...@nvidia.com>
---
fs/ext4/ext4_common.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/fs/ext4/ext4_common.c b/fs/ext4/ext4_common.c
index cab5465b9d4f..b09f23aa5b83 100644
--- a/fs/ext4/ext4_common.c
+++ b/fs/ext4/ext4_common.c
@@ -614,8 +614,7 @@ static int parse_path(char **arr, char *dirname)
arr[i] = zalloc(strlen("/") + 1);
if (!arr[i])
return -ENOMEM;
-
- arr[i++] = "/";
+ memcpy(arr[i++], "/", strlen("/"));
/* add each path entry after root */
while (token != NULL) {
@@ -745,6 +744,11 @@ end:
fail:
free(depth_dirname);
free(parse_dirname);
+ for (i = 0; i < depth; i++) {
+ if (!ptr[i])
+ break;
+ free(ptr[i]);
+ }
free(ptr);
free(parent_inode);
free(first_inode);
--
1.9.1
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