[PATCH 1/2] xfs_repair: Fix check_refcount() error path

[Carlos Maiolino <cem@xxxxxxxxxx>]

From: Carlos Maiolino <cmaiolino@xxxxxxxxxx>

Add proper exit error paths to avoid checking all pointers at the current path

Fixes-coverity-id: 1512651

Signed-off-by: Carlos Maiolino <cmaiolino@xxxxxxxxxx>
---
 repair/rmap.c |   23 +++++++++++------------
 1 file changed, 11 insertions(+), 12 deletions(-)

diff --git a/repair/rmap.c b/repair/rmap.c
index a7c4b25b1..0253c0c36 100644
--- a/repair/rmap.c
+++ b/repair/rmap.c
@@ -1377,7 +1377,7 @@ check_refcounts(
 	if (error) {
 		do_warn(_("Could not read AGF %u to check refcount btree.\n"),
 				agno);
-		goto err;
+		goto err_agf;
 	}
 
 	/* Leave the per-ag data "uninitialized" since we rewrite it later */
@@ -1386,7 +1386,7 @@ check_refcounts(
 	bt_cur = libxfs_refcountbt_init_cursor(mp, NULL, agbp, pag);
 	if (!bt_cur) {
 		do_warn(_("Not enough memory to check refcount data.\n"));
-		goto err;
+		goto err_bt_cur;
 	}
 
 	rl_rec = pop_slab_cursor(rl_cur);
@@ -1398,7 +1398,7 @@ check_refcounts(
 			do_warn(
 _("Could not read reference count record for (%u/%u).\n"),
 					agno, rl_rec->rc_startblock);
-			goto err;
+			goto err_loop;
 		}
 		if (!have) {
 			do_warn(
@@ -1413,7 +1413,7 @@ _("Missing reference count record for (%u/%u) len %u count %u\n"),
 			do_warn(
 _("Could not read reference count record for (%u/%u).\n"),
 					agno, rl_rec->rc_startblock);
-			goto err;
+			goto err_loop;
 		}
 		if (!i) {
 			do_warn(
@@ -1436,14 +1436,13 @@ next_loop:
 		rl_rec = pop_slab_cursor(rl_cur);
 	}
 
-err:
-	if (bt_cur)
-		libxfs_btree_del_cursor(bt_cur, error ? XFS_BTREE_ERROR :
-							XFS_BTREE_NOERROR);
-	if (pag)
-		libxfs_perag_put(pag);
-	if (agbp)
-		libxfs_buf_relse(agbp);
+err_loop:
+	libxfs_btree_del_cursor(bt_cur, error ?
+				XFS_BTREE_ERROR : XFS_BTREE_NOERROR);
+err_bt_cur:
+	libxfs_buf_relse(agbp);
+err_agf:
+	libxfs_perag_put(pag);
 	free_slab_cursor(&rl_cur);
 }