On Wed, Oct 22, 2008 at 02:48:36PM +0530, Krishna Kumar wrote:
> From: Krishna Kumar <krkumar2@xxxxxxxxxx>
>
> Fix a memory leak in nfsd_getxattr. nfsd_getxattr should free up memory
> that it allocated if vfs_getxattr fails.
Thanks! Applied to for-2.6.28.
--b.
>
> Signed-off-by: Krishna Kumar <krkumar2@xxxxxxxxxx>
> ---
> fs/nfsd/vfs.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff -ruNp 2.6.27-org/fs/nfsd/vfs.c 2.6.27-new/fs/nfsd/vfs.c
> --- 2.6.27-org/fs/nfsd/vfs.c 2008-10-22 14:17:23.000000000 +0530
> +++ 2.6.27-new/fs/nfsd/vfs.c 2008-10-22 14:19:15.000000000 +0530
> @@ -411,6 +411,7 @@ out_nfserr:
> static ssize_t nfsd_getxattr(struct dentry *dentry, char *key, void **buf)
> {
> ssize_t buflen;
> + ssize_t ret;
>
> buflen = vfs_getxattr(dentry, key, NULL, 0);
> if (buflen <= 0)
> @@ -420,7 +421,10 @@ static ssize_t nfsd_getxattr(struct dent
> if (!*buf)
> return -ENOMEM;
>
> - return vfs_getxattr(dentry, key, *buf, buflen);
> + ret = vfs_getxattr(dentry, key, *buf, buflen);
> + if (ret < 0)
> + kfree(*buf);
> + return ret;
> }
> #endif
>
> --
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