[patch] dax: silence an uninitialized variable warning

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



I'm not positive, but it looks like it might be possible to reach the
end of this function and return an uninitialized value for "rc".  Anyway
it causes a static checker warning and let's silence it.

The warning was introduced in commit b2e0d1625e19 ('dax: fix lifetime of
in-kernel dax mappings with dax_map_atomic()').

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

diff --git a/fs/dax.c b/fs/dax.c
index 90322eb..3744e14 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -155,7 +155,8 @@ static ssize_t dax_io(struct inode *inode, struct iov_iter *iter,
 	loff_t pos = start, max = start, bh_max = start;
 	bool hole = false, need_wmb = false;
 	struct block_device *bdev = NULL;
-	int rw = iov_iter_rw(iter), rc;
+	int rc = 0;
+	int rw = iov_iter_rw(iter);
 	long map_len = 0;
 	struct blk_dax_ctl dax = {
 		.addr = (void __pmem *) ERR_PTR(-EIO),
--
To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux Ext4 Filesystem]     [Union Filesystem]     [Filesystem Testing]     [Ceph Users]     [Ecryptfs]     [AutoFS]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux Cachefs]     [Reiser Filesystem]     [Linux RAID]     [Samba]     [Device Mapper]     [CEPH Development]
  Powered by Linux