blkg_tryget config test: initialize struct

Missing struct initialization in a config test results in the
interface being incorrectly detected.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Adam Moss <c@yotes.com>
Signed-off-by: Mathieu Velten <matmaul@gmail.com>
Closes #10713 
Closes #11049
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Mathieu Velten 2020-10-14 01:36:36 +02:00 committed by GitHub
parent 4b59c195ff
commit b3a216fba0
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@ -344,7 +344,7 @@ AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKG_TRYGET], [
#include <linux/bio.h>
#include <linux/fs.h>
],[
struct blkcg_gq blkg __attribute__ ((unused));
struct blkcg_gq blkg __attribute__ ((unused)) = {};
bool rc __attribute__ ((unused));
rc = blkg_tryget(&blkg);
], [], [$ZFS_META_LICENSE])