* [PATCH] ovl: Return -ENOMEM if an allocation fails ovl_lookup()
@ 2017-09-22 20:45 Dan Carpenter
2017-09-23 3:41 ` Chandan Rajendra
0 siblings, 1 reply; 2+ messages in thread
From: Dan Carpenter @ 2017-09-22 20:45 UTC (permalink / raw)
To: Miklos Szeredi; +Cc: linux-unionfs, kernel-janitors
The error code is missing here so it means we return ERR_PTR(0) or NULL.
The other error paths all return an error code so this probably should
as well.
Fixes: 02b69b284cd7 ("ovl: lookup redirects")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
diff --git a/fs/overlayfs/namei.c b/fs/overlayfs/namei.c
index c3addd1114f1..beb8a988df51 100644
--- a/fs/overlayfs/namei.c
+++ b/fs/overlayfs/namei.c
@@ -634,6 +634,7 @@ struct dentry *ovl_lookup(struct inode *dir, struct dentry *dentry,
}
if (d.redirect) {
+ err = -ENOMEM;
upperredirect = kstrdup(d.redirect, GFP_KERNEL);
if (!upperredirect)
goto out_put_upper;
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH] ovl: Return -ENOMEM if an allocation fails ovl_lookup()
2017-09-22 20:45 [PATCH] ovl: Return -ENOMEM if an allocation fails ovl_lookup() Dan Carpenter
@ 2017-09-23 3:41 ` Chandan Rajendra
0 siblings, 0 replies; 2+ messages in thread
From: Chandan Rajendra @ 2017-09-23 3:41 UTC (permalink / raw)
To: Dan Carpenter; +Cc: Miklos Szeredi, linux-unionfs, kernel-janitors
On Saturday, September 23, 2017 2:15:18 AM IST Dan Carpenter wrote:
> The error code is missing here so it means we return ERR_PTR(0) or NULL.
> The other error paths all return an error code so this probably should
> as well.
>
> Fixes: 02b69b284cd7 ("ovl: lookup redirects")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
>
> diff --git a/fs/overlayfs/namei.c b/fs/overlayfs/namei.c
> index c3addd1114f1..beb8a988df51 100644
> --- a/fs/overlayfs/namei.c
> +++ b/fs/overlayfs/namei.c
> @@ -634,6 +634,7 @@ struct dentry *ovl_lookup(struct inode *dir, struct dentry *dentry,
> }
>
> if (d.redirect) {
> + err = -ENOMEM;
> upperredirect = kstrdup(d.redirect, GFP_KERNEL);
> if (!upperredirect)
> goto out_put_upper;
> --
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>
>
The patch looks good.
Reviewed-by: Chandan Rajendra <chandan@linux.vnet.ibm.com>
--
chandan
^ permalink raw reply [flat|nested] 2+ messages in thread
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