lkml.org 
[lkml]   [2018]   [Nov]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH] ubifs: fix memory leak on error condition
Date
Am Donnerstag, 15. November 2018, 21:38:50 CET schrieb Garry McNulty:
> If the call to ubifs_read_nnode() fails in ubifs_lpt_calc_hash() an
> error is returned without freeing the memory allocated to 'buf'.
> Jump to 'out' label to free allocated memory and return the error code.
>
> Detected by CoverityScan, CID 1441025 ("Resource leak")
>
> Signed-off-by: Garry McNulty <garrmcnu@gmail.com>
> ---
> fs/ubifs/lpt.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/ubifs/lpt.c b/fs/ubifs/lpt.c
> index d1d5e96350dd..c162459a1e02 100644
> --- a/fs/ubifs/lpt.c
> +++ b/fs/ubifs/lpt.c
> @@ -1688,7 +1688,7 @@ int ubifs_lpt_calc_hash(struct ubifs_info *c, u8 *hash)
> if (!c->nroot) {
> err = ubifs_read_nnode(c, NULL, 0);
> if (err)
> - return err;
> + goto out;
> }
>
> cnode = (struct ubifs_cnode *)c->nroot;

Please see:
http://lists.infradead.org/pipermail/linux-mtd/2018-October/085081.html

If Colin won't send a v2, please do you so, then I'll take your v2.

Thanks,
//richard


\
 
 \ /
  Last update: 2018-11-15 22:42    [W:0.278 / U:0.964 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site