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authorMarkus Elfring <elfring@users.sourceforge.net>2017-11-07 08:51:00 +0100
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2017-11-17 16:43:50 -0500
commit0671d8f108762efc51ca893dbf8f0ba72f655c3d (patch)
treeec6b213e1bbd724aad9601c09f09b3dc2dfac6ed /fs/nfs/write.c
parentfcd8843c406b46433857ae45e5e9d84b01a7d20b (diff)
downloadlinux-0671d8f108762efc51ca893dbf8f0ba72f655c3d.tar.bz2
nfs/write: Use common error handling code in nfs_lock_and_join_requests()
Add a jump target so that a bit of exception handling can be better reused at the end of this function. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'fs/nfs/write.c')
-rw-r--r--fs/nfs/write.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index babebbccae2a..5b5f464f6f2a 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -487,10 +487,8 @@ try_again:
}
ret = nfs_page_group_lock(head);
- if (ret < 0) {
- nfs_unlock_and_release_request(head);
- return ERR_PTR(ret);
- }
+ if (ret < 0)
+ goto release_request;
/* lock each request in the page group */
total_bytes = head->wb_bytes;
@@ -515,8 +513,7 @@ try_again:
if (ret < 0) {
nfs_unroll_locks(inode, head, subreq);
nfs_release_request(subreq);
- nfs_unlock_and_release_request(head);
- return ERR_PTR(ret);
+ goto release_request;
}
}
/*
@@ -532,8 +529,8 @@ try_again:
nfs_page_group_unlock(head);
nfs_unroll_locks(inode, head, subreq);
nfs_unlock_and_release_request(subreq);
- nfs_unlock_and_release_request(head);
- return ERR_PTR(-EIO);
+ ret = -EIO;
+ goto release_request;
}
}
@@ -576,6 +573,10 @@ try_again:
/* still holds ref on head from nfs_page_find_head_request
* and still has lock on head from lock loop */
return head;
+
+release_request:
+ nfs_unlock_and_release_request(head);
+ return ERR_PTR(ret);
}
static void nfs_write_error_remove_page(struct nfs_page *req)