On Mon, Dec 09, 2013 at 10:29:28AM +0800, Rui Xiang wrote:
> while nthreads alloc fails, return err value directly
> without kfree.
This doesn't fix any problem that I can see, since kfree(NULL) is
defined to be a no-op.
--b.
>
> Signed-off-by: Rui Xiang <rui.xiang@xxxxxxxxxx>
> ---
> fs/nfsd/nfsctl.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
> index 7f55517..1fa6b00 100644
> --- a/fs/nfsd/nfsctl.c
> +++ b/fs/nfsd/nfsctl.c
> @@ -491,9 +491,10 @@ static ssize_t write_pool_threads(struct file *file, char *buf, size_t size)
> }
>
> nthreads = kcalloc(npools, sizeof(int), GFP_KERNEL);
> - rv = -ENOMEM;
> - if (nthreads == NULL)
> - goto out_free;
> + if (nthreads == NULL) {
> + mutex_unlock(&nfsd_mutex);
> + return -ENOMEM;
> + }
>
> if (size > 0) {
> for (i = 0; i < npools; i++) {
> --
> 1.8.2.2
>
>
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