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authorTrond Myklebust <trond.myklebust@hammerspace.com>2018-11-14 00:37:54 +0300
committerTrond Myklebust <trond.myklebust@hammerspace.com>2018-11-14 01:15:17 +0300
commite39d8a186ed002854196668cb7562ffdfbc6d379 (patch)
treed184e95ec9eff9dc0f77b20d6c59aae9520570ea /fs/nfs/callback_proc.c
parente3d5e573a54dabdc0f9f3cb039d799323372b251 (diff)
downloadlinux-e39d8a186ed002854196668cb7562ffdfbc6d379.tar.xz
NFSv4: Fix an Oops during delegation callbacks
If the server sends a CB_GETATTR or a CB_RECALL while the filesystem is being unmounted, then we can Oops when releasing the inode in nfs4_callback_getattr() and nfs4_callback_recall(). Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs/nfs/callback_proc.c')
-rw-r--r--fs/nfs/callback_proc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c
index fa515d5ea5ba..7b861bbc0b43 100644
--- a/fs/nfs/callback_proc.c
+++ b/fs/nfs/callback_proc.c
@@ -66,7 +66,7 @@ __be32 nfs4_callback_getattr(void *argp, void *resp,
out_iput:
rcu_read_unlock();
trace_nfs4_cb_getattr(cps->clp, &args->fh, inode, -ntohl(res->status));
- iput(inode);
+ nfs_iput_and_deactive(inode);
out:
dprintk("%s: exit with status = %d\n", __func__, ntohl(res->status));
return res->status;
@@ -108,7 +108,7 @@ __be32 nfs4_callback_recall(void *argp, void *resp,
}
trace_nfs4_cb_recall(cps->clp, &args->fh, inode,
&args->stateid, -ntohl(res));
- iput(inode);
+ nfs_iput_and_deactive(inode);
out:
dprintk("%s: exit with status = %d\n", __func__, ntohl(res));
return res;