[PATCH] acpi: gpedump: ensure buf is set on default case

[Colin King]

From: Colin Ian King <colin.king at canonical.com>

There is no default case in the switch statement and Coverity is
complaining that buffer buf is not being initialized. Cater for this
unlikely eventuality.

Signed-off-by: Colin Ian King <colin.king at canonical.com>
---
 src/acpi/gpedump/gpedump.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/acpi/gpedump/gpedump.c b/src/acpi/gpedump/gpedump.c
index 38e03149..faf69bdf 100644
--- a/src/acpi/gpedump/gpedump.c
+++ b/src/acpi/gpedump/gpedump.c
@@ -85,6 +85,9 @@ static void gpu_dump_gpes(
 				n++;
 			snprintf(buf, sizeof(buf), "notifies %" PRIu32 " devices", n);
 			break;
+		default:
+			strncpy(buf, "unknown", sizeof(buf));
+			break;
 		}
 		fwts_log_info_verbatim(fw, "      GPE 0x%2.2" PRIx8 ":",
 			gpe_block_info->BlockBaseNumber + gpe);
-- 
2.25.1