From: Trond Myklebust Date: Wed, 17 Jun 2015 23:41:51 +0000 (-0400) Subject: pNFS: Fix a memory leak when attempted pnfs fails X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=1ca018d28d96d07788474abf66a5f3e9594841f5;p=deliverable%2Flinux.git pNFS: Fix a memory leak when attempted pnfs fails pnfs_do_write() expects the call to pnfs_write_through_mds() to free the pgio header and to release the layout segment before exiting. The problem is that nfs_pgio_data_destroy() doesn't actually do this; it only frees the memory allocated by nfs_generic_pgio(). Ditto for pnfs_do_read()... Fix in both cases is to add a call to hdr->release(hdr). Cc: stable@vger.kernel.org Signed-off-by: Trond Myklebust --- diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index 230606243be6..219ee6a3f1b3 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -1865,6 +1865,7 @@ pnfs_write_through_mds(struct nfs_pageio_descriptor *desc, mirror->pg_recoalesce = 1; } nfs_pgio_data_destroy(hdr); + hdr->release(hdr); } static enum pnfs_try_status @@ -1979,6 +1980,7 @@ pnfs_read_through_mds(struct nfs_pageio_descriptor *desc, mirror->pg_recoalesce = 1; } nfs_pgio_data_destroy(hdr); + hdr->release(hdr); } /*