[Qemu-block] [PATCH 2/3] xen-block: remove redundant assignment

[Paul Durrant]

The assignment to 'p' is unnecessary as the code will either goto 'invalid'
or p will get overwritten.

Spotted by Coverity: CID 1398638

Reported-by: Peter Maydell <peter.mayd...@linaro.org>
Signed-off-by: Paul Durrant <paul.durr...@citrix.com>
---
Cc: Stefano Stabellini <sstabell...@kernel.org>
Cc: Anthony Perard <anthony.per...@citrix.com>
Cc: Kevin Wolf <kw...@redhat.com>
Cc: Max Reitz <mre...@redhat.com>
---
 hw/block/xen-block.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/hw/block/xen-block.c b/hw/block/xen-block.c
index 5012af9cb6..29afe2703a 100644
--- a/hw/block/xen-block.c
+++ b/hw/block/xen-block.c
@@ -413,8 +413,7 @@ static void xen_block_set_vdev(Object *obj, Visitor *v, 
const char *name,
         }
 
         if (*end == 'p') {
-            p = (char *) ++end;
-            if (*end == '\0') {
+            if (*(++end) == '\0') {
                 goto invalid;
             }
         }
-- 
2.20.1.2.gb21ebb6