[PATCH 03/11] xfsprogs: mkfs: fix unintentional integer overflow

[Vivek Trivedi]

Fix unintentional integer overflow  in mkfs.
Reported by coverity.

Signed-off-by: Vivek Trivedi <t.vivek at samsung.com>
---
 mkfs/xfs_mkfs.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c
index 7cba41a..e540c48 100644
--- a/mkfs/xfs_mkfs.c
+++ b/mkfs/xfs_mkfs.c
@@ -2033,7 +2033,7 @@ _("warning: sparse inodes not supported without CRC support, disabled.\n"));
 		/* check that rswidth is a multiple of fs blocksize */
 		if (!norsflag && rswidth && !(BBTOB(rswidth) % blocksize)) {
 			rswidth = DTOBT(rswidth);
-			rtextbytes = rswidth << blocklog;
+			rtextbytes = (__uint64_t)rswidth << blocklog;
 			if (XFS_MIN_RTEXTSIZE <= rtextbytes &&
 			    (rtextbytes <= XFS_MAX_RTEXTSIZE)) {
 				rtextblocks = rswidth;
-- 
1.7.9.5