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[PULL,v2,01/59] block/vhdx.c: Mark parent_vhdx_guid variable as unused

Message ID 1411386150-24003-2-git-send-email-stefanha@redhat.com
State Accepted
Commit c2ebb05e25dcb3acbcdaa541234746151d0ff6b1
Headers show

Commit Message

Stefan Hajnoczi Sept. 22, 2014, 11:41 a.m. UTC 
From: Peter Maydell <peter.maydell@linaro.org>

The parent_vhdx_guid variable is defined but never used, which provokes
complaints from newer versions of clang. Since the variable definition
is here acting as documentation of the image format, mark it with the
'unused' attribute to keep the compiler happy rather than simply
deleting it.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
---
 block/vhdx.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/block/vhdx.c b/block/vhdx.c
index 796b7bd..d9aa2c1 100644
--- a/block/vhdx.c
+++ b/block/vhdx.c
@@ -99,7 +99,8 @@  static const MSGUID logical_sector_guid = { .data1 = 0x8141bf1d,
 /* Each parent type must have a valid GUID; this is for parent images
  * of type 'VHDX'.  If we were to allow e.g. a QCOW2 parent, we would
  * need to make up our own QCOW2 GUID type */
-static const MSGUID parent_vhdx_guid = { .data1 = 0xb04aefb7,
+static const MSGUID parent_vhdx_guid __attribute__((unused))
+                                     = { .data1 = 0xb04aefb7,
                                          .data2 = 0xd19e,
                                          .data3 = 0x4a81,
                                          .data4 = { 0xb7, 0x89, 0x25, 0xb8,