From: Shiyang Ruan <ruansy.fnst@fujitsu.com>
Date: Tue, 7 Jun 2022 14:38:37 +0000 (+0800)
Subject: fsdax-output-address-in-dax_iomap_pfn-and-rename-it-v21
X-Git-Tag: maple_v12_fixes~131
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=cbf5374cd61a528e4b2079f1abeacb48b629c25b;p=users%2Fjedix%2Flinux-maple.git

fsdax-output-address-in-dax_iomap_pfn-and-rename-it-v21

initialize `rc', per Dan.

Link: https://lore.kernel.org/linux-fsdevel/Yp8FUZnO64Qvyx5G@kili/
Link: https://lkml.kernel.org/r/20220607143837.161174-1-ruansy.fnst@fujitsu.com
Signed-off-by: Shiyang Ruan <ruansy.fnst@fujitsu.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ritesh Harjani <riteshh@linux.ibm.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/fs/dax.c b/fs/dax.c
index ab659c9f142a..7a8eb1e30a1b 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -1030,7 +1030,7 @@ static int dax_iomap_direct_access(const struct iomap *iomap, loff_t pos,
 		size_t size, void **kaddr, pfn_t *pfnp)
 {
 	pgoff_t pgoff = dax_iomap_pgoff(iomap, pos);
-	int id, rc;
+	int id, rc = 0;
 	long length;
 
 	id = dax_read_lock();