[PATCH] afs: kstrdup() memory handling

[Sanidhya Kashyap]

Handling kstrdup() failure in case of memory pressure even
for new_opts.

Signed-off-by: Sanidhya Kashyap <sanidhya.gat...@gmail.com>
---
 fs/afs/super.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/fs/afs/super.c b/fs/afs/super.c
index c486155..477f38e 100644
--- a/fs/afs/super.c
+++ b/fs/afs/super.c
@@ -360,10 +360,13 @@ static struct dentry *afs_mount(struct file_system_type 
*fs_type,
        struct key *key;
        char *new_opts = kstrdup(options, GFP_KERNEL);
        struct afs_super_info *as;
-       int ret;
+       int ret = -ENOMEM;
 
        _enter(",,%s,%p", dev_name, options);
 
+       if (new_opts)
+               goto error_out;
+
        memset(&params, 0, sizeof(params));
 
        ret = -EINVAL;
@@ -441,6 +444,7 @@ error:
        afs_put_cell(params.cell);
        key_put(params.key);
        kfree(new_opts);
+error_out:
        _leave(" = %d", ret);
        return ERR_PTR(ret);
 }
-- 
2.1.0

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