diff --git a/tests/block/044 b/tests/block/044
index 8baf9fa..d31aa4c 100755
--- a/tests/block/044
+++ b/tests/block/044
@@ -11,7 +11,8 @@ DESCRIPTION="basic block error injection test"
 QUICK=1
 
 requires()
-{	
+{
+	_have_kernel_option BLK_ERROR_INJECTION
 	_have_loadable_scsi_debug
 	_have_program xfs_io
 }
@@ -23,14 +24,6 @@ _test_load_unload()
 	if ! _init_scsi_debug dev_size_mb=500; then
 		return 1
 	fi
-
-	local dev=${SCSI_DEBUG_DEVICES[0]}
-	local debugfs_file="/sys/kernel/debug/block/$dev/error_injection"
-	if [[ ! -f "${debugfs_file}" ]]; then
-		SKIP_REASONS+=("error injection not supported")
-		_exit_scsi_debug
-		return 1
-	fi
 	echo "Testing unload without rules"
 	_exit_scsi_debug
 }
@@ -45,16 +38,16 @@ _test_rules()
 	local debugfs_file="/sys/kernel/debug/block/$dev/error_injection"
 
 	echo "Testing valid rules"
-	echo "add,op=WRITE,status=RESOURCE,start=0,nr_sectors=8" > $debugfs_file
-	echo "add,op=READ,status=IOERR,start=16,nr_sectors=8" > $debugfs_file
-	xfs_io -d -c 'pwrite -q 0 4096' /dev/$dev
-	xfs_io -d -c 'pread -q 0 4096' /dev/$dev
-	xfs_io -d -c 'pwrite -q 4096 4096' /dev/$dev
-	xfs_io -d -c 'pread -q 8192 8192' /dev/$dev
+	echo "add,op=WRITE,status=RESOURCE,start=0,nr_sectors=8" > "$debugfs_file"
+	echo "add,op=READ,status=IOERR,start=16,nr_sectors=8" > "$debugfs_file"
+	xfs_io -d -c 'pwrite -q 0 4096' /dev/"$dev"
+	xfs_io -d -c 'pread -q 0 4096' /dev/"$dev"
+	xfs_io -d -c 'pwrite -q 4096 4096' /dev/"$dev"
+	xfs_io -d -c 'pread -q 8192 8192' /dev/"$dev"
 
 	echo "Testing invalid rules"
-	echo "op=READ,status=IOERR" > $debugfs_file
-	echo "add,op=READ,status=EIO,start=32" > $debugfs_file
+	echo "op=READ,status=IOERR" > "$debugfs_file"
+	echo "add,op=READ,status=EIO,start=32" > "$debugfs_file"
 	_exit_scsi_debug
 }
 
@@ -62,8 +55,6 @@ test()
 {
 	echo "Running ${TEST_NAME}"
 
-	local ret
-
 	_test_load_unload
 	_test_rules