[dm-devel] [PATCH v2 1/2] kpartx/devmapper.c: fix unused-but-set variable error
Sergei Trofimovich
slyich at gmail.com
Sun Jan 9 09:28:13 UTC 2022
On gcc-12 build failed as:
devmapper.c: In function 'dm_simplecmd':
devmapper.c:61:13: error: unused variable 'udev_wait_flag' [-Werror=unused-variable]
61 | int udev_wait_flag = (task == DM_DEVICE_RESUME ||
| ^~~~~~~~~~~~~~
Fix error by hiding it's declaration under #ifdef that uses it.
CC: Martin Wilck <mwilck at suse.com>
CC: Benjamin Marzinski <bmarzins at redhat.com>
Signed-off-by: Sergei Trofimovich <slyich at gmail.com>
---
kpartx/devmapper.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kpartx/devmapper.c b/kpartx/devmapper.c
index 3efd6dfc..511c090f 100644
--- a/kpartx/devmapper.c
+++ b/kpartx/devmapper.c
@@ -58,9 +58,9 @@ out:
int dm_simplecmd(int task, const char *name, int no_flush, uint16_t udev_flags)
{
int r = 0;
+#ifdef LIBDM_API_COOKIE
int udev_wait_flag = (task == DM_DEVICE_RESUME ||
task == DM_DEVICE_REMOVE);
-#ifdef LIBDM_API_COOKIE
uint32_t cookie = 0;
#endif
struct dm_task *dmt;
--
2.34.1
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