From: Ilya Dryomov <idryomov@gmail.com>
Date: Tue, 26 Apr 2016 13:05:29 +0000 (+0200)
Subject: libceph: make ceph_osdc_put_request() accept NULL
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=3ed97d6345a36a0a61e6af62ad8a66ca40f1aa2e;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

libceph: make ceph_osdc_put_request() accept NULL

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
---

diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 4801571f51cb..3e61fc8bb371 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -1099,8 +1099,7 @@ release_pvec_pages:
 		mapping->writeback_index = index;
 
 out:
-	if (req)
-		ceph_osdc_put_request(req);
+	ceph_osdc_put_request(req);
 	ceph_put_snap_context(snapc);
 	dout("writepages done, rc = %d\n", rc);
 	return rc;
@@ -1824,10 +1823,8 @@ static int __ceph_pool_perm_get(struct ceph_inode_info *ci, u32 pool)
 out_unlock:
 	up_write(&mdsc->pool_perm_rwsem);
 
-	if (rd_req)
-		ceph_osdc_put_request(rd_req);
-	if (wr_req)
-		ceph_osdc_put_request(wr_req);
+	ceph_osdc_put_request(rd_req);
+	ceph_osdc_put_request(wr_req);
 out:
 	if (!err)
 		err = have;
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 40a53a70efdf..cacce9e35f08 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -354,9 +354,11 @@ EXPORT_SYMBOL(ceph_osdc_get_request);
 
 void ceph_osdc_put_request(struct ceph_osd_request *req)
 {
-	dout("%s %p (was %d)\n", __func__, req,
-	     atomic_read(&req->r_kref.refcount));
-	kref_put(&req->r_kref, ceph_osdc_release_request);
+	if (req) {
+		dout("%s %p (was %d)\n", __func__, req,
+		     atomic_read(&req->r_kref.refcount));
+		kref_put(&req->r_kref, ceph_osdc_release_request);
+	}
 }
 EXPORT_SYMBOL(ceph_osdc_put_request);