cmd: missing fallthrough macro in do_pci()

Add a missing fallthrough macro to avoid a -Wimplicit-fallthrough warning.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/cmd/pci.c b/cmd/pci.c
index 58a7475..78b661d 100644
--- a/cmd/pci.c
+++ b/cmd/pci.c
@@ -517,6 +517,7 @@ static int do_pci(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 			addr = hextoul(argv[3], NULL);
 		if (argc > 4)
 			value = hextoul(argv[4], NULL);
+		fallthrough;
 	case 'h':		/* header */
 	case 'b':		/* bars */
 		if (argc < 3)