GFS2: use _RET_IP_ instead of (unsigned long)__builtin_return_address(0)

use macro definition

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

fs/gfs2/glock.c

@@ -811,7 +811,7 @@ void gfs2_holder_init(struct gfs2_glock *gl, unsigned int state, unsigned flags,
 {
 	INIT_LIST_HEAD(&gh->gh_list);
 	gh->gh_gl = gl;
-	gh->gh_ip = (unsigned long)__builtin_return_address(0);
+	gh->gh_ip = _RET_IP_;
 	gh->gh_owner_pid = get_pid(task_pid(current));
 	gh->gh_state = state;
 	gh->gh_flags = flags;
@@ -835,7 +835,7 @@ void gfs2_holder_reinit(unsigned int state, unsigned flags, struct gfs2_holder *
 	gh->gh_state = state;
 	gh->gh_flags = flags;
 	gh->gh_iflags = 0;
-	gh->gh_ip = (unsigned long)__builtin_return_address(0);
+	gh->gh_ip = _RET_IP_;
 	if (gh->gh_owner_pid)
 		put_pid(gh->gh_owner_pid);
 	gh->gh_owner_pid = get_pid(task_pid(current));

fs/gfs2/glops.c

@@ -93,7 +93,7 @@ static void gfs2_ail_empty_gl(struct gfs2_glock *gl)
          * tr->alloced is not set since the transaction structure is
          * on the stack */
 	tr.tr_reserved = 1 + gfs2_struct2blk(sdp, tr.tr_revokes, sizeof(u64));
-	tr.tr_ip = (unsigned long)__builtin_return_address(0);
+	tr.tr_ip = _RET_IP_;
 	sb_start_intwrite(sdp->sd_vfs);
 	if (gfs2_log_reserve(sdp, tr.tr_reserved) < 0) {
 		sb_end_intwrite(sdp->sd_vfs);

fs/gfs2/trans.c

@@ -44,7 +44,7 @@ int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks,
 	if (!tr)
 		return -ENOMEM;
 
-	tr->tr_ip = (unsigned long)__builtin_return_address(0);
+	tr->tr_ip = _RET_IP_;
 	tr->tr_blocks = blocks;
 	tr->tr_revokes = revokes;
 	tr->tr_reserved = 1;