X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Ffs%2Fnfs%2Fwrite.c;fp=kernel%2Ffs%2Fnfs%2Fwrite.c;h=7a9b6e347249e0426abf7ec35745feceecab446d;hb=52f993b8e89487ec9ee15a7fb4979e0f09a45b27;hp=7b93164069307346ea43f130e3883959ae6576b6;hpb=c189ccac5702322ed843fe17057035b7222a59b6;p=kvmfornfv.git

diff --git a/kernel/fs/nfs/write.c b/kernel/fs/nfs/write.c
index 7b9316406..7a9b6e347 100644
--- a/kernel/fs/nfs/write.c
+++ b/kernel/fs/nfs/write.c
@@ -1261,6 +1261,9 @@ int nfs_updatepage(struct file *file, struct page *page,
 	dprintk("NFS:       nfs_updatepage(%pD2 %d@%lld)\n",
 		file, count, (long long)(page_file_offset(page) + offset));
 
+	if (!count)
+		goto out;
+
 	if (nfs_can_extend_write(file, page, inode)) {
 		count = max(count + offset, nfs_page_length(page));
 		offset = 0;
@@ -1271,7 +1274,7 @@ int nfs_updatepage(struct file *file, struct page *page,
 		nfs_set_pageerror(page);
 	else
 		__set_page_dirty_nobuffers(page);
-
+out:
 	dprintk("NFS:       nfs_updatepage returns %d (isize %lld)\n",
 			status, (long long)i_size_read(inode));
 	return status;