->getattr from inside the kernel won't always have a vfsmount, check for
this.
Signed-off-by: Mark Fasheh <mfas...@suse.de>
---
fs/nfs/inode.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index b65aee481d13..7a3d90a7cc92 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -795,7 +795,9 @@ int nfs_getattr(const struct path *path, struct kstat *stat,
}
/*
- * We may force a getattr if the user cares about atime.
+ * We may force a getattr if the user cares about atime. A
+ * NULL vfsmount means we are called from inside the kernel,
+ * where no atime is required.
*
* Note that we only have to check the vfsmount flags here:
* - NFS always sets S_NOATIME by so checking it would give a
@@ -803,7 +805,7 @@ int nfs_getattr(const struct path *path, struct kstat *stat,
* - NFS never sets SB_NOATIME or SB_NODIRATIME so there is
* no point in checking those.
*/
- if ((path->mnt->mnt_flags & MNT_NOATIME) ||
+ if (!path->mnt || (path->mnt->mnt_flags & MNT_NOATIME) ||
((path->mnt->mnt_flags & MNT_NODIRATIME) && S_ISDIR(inode->i_mode)))
request_mask &= ~STATX_ATIME;
--
2.15.1
--
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