[PATCH] cifs: Fix a tiny potential memory leak
Steve French
smfrench at gmail.com
Sat Jan 5 23:55:01 UTC 2019
merged into cifs-2.6.git for-next
thx
On Sat, Jan 5, 2019 at 12:19 PM Dan Carpenter via samba-technical
<samba-technical at lists.samba.org> wrote:
>
> The most recent "it" allocation is leaked on this error path. I
> believe that small allocations always succeed in current kernels so
> this doesn't really affect run time.
>
> Fixes: 54be1f6c1c37 ("cifs: Add DFS cache routines")
> Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>
> ---
> fs/cifs/dfs_cache.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/fs/cifs/dfs_cache.c b/fs/cifs/dfs_cache.c
> index cd63c4a70875..09b7d0d4f6e4 100644
> --- a/fs/cifs/dfs_cache.c
> +++ b/fs/cifs/dfs_cache.c
> @@ -776,6 +776,7 @@ static int get_tgt_list(const struct dfs_cache_entry *ce,
> it->it_name = kstrndup(t->t_name, strlen(t->t_name),
> GFP_KERNEL);
> if (!it->it_name) {
> + kfree(it);
> rc = -ENOMEM;
> goto err_free_it;
> }
> --
> 2.17.1
>
--
Thanks,
Steve
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