From: Andy Adamson <andros@xxxxxxxxxx>
If a pgio error is caught before the nfs_pgio_header args->context is set
with get_nfs_open_context, the context can be NULL.
Signed-off-by: Andy Adamson <andros@xxxxxxxxxx>
---
fs/nfs/inode.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 141c9f4..a2b148e 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -798,6 +798,9 @@ static void __put_nfs_open_context(struct nfs_open_context *ctx, int is_sync)
struct inode *inode = ctx->dentry->d_inode;
struct super_block *sb = ctx->dentry->d_sb;
+ if (ctx == NULL)
+ return;
+
if (!list_empty(&ctx->list)) {
if (!atomic_dec_and_lock(&ctx->lock_context.count, &inode->i_lock))
return;
--
1.8.3.1
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