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>
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index babebbc..5b5f464 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -487,10 +487,8 @@ nfs_lock_and_join_requests(struct page *page)
}
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 @@ nfs_lock_and_join_requests(struct page *page)
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 @@ nfs_lock_and_join_requests(struct page *page)
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 @@ nfs_lock_and_join_requests(struct page *page)
/* 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)
