X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=common%2Fcmd_gpio.c;h=9cc790aba8ab923dd53d3f471575f52d46098d79;hb=6801201ee72795dddb1e23aa6091c95866b19e0b;hp=9c9de28e4a6764f5a2671fb37be31d3fa8d72317;hpb=f93c25966f7f5a9696b1dbc304ebe953040e08b3;p=oweals%2Fu-boot.git

diff --git a/common/cmd_gpio.c b/common/cmd_gpio.c
index 9c9de28e4a..9cc790aba8 100644
--- a/common/cmd_gpio.c
+++ b/common/cmd_gpio.c
@@ -57,7 +57,10 @@ static int do_gpio(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 		goto show_usage;
 
 	/* grab the pin before we tweak it */
-	gpio_request(gpio, "cmd_gpio");
+	if (gpio_request(gpio, "cmd_gpio")) {
+		printf("gpio: requesting pin %u failed\n", gpio);
+		return -1;
+	}
 
 	/* finally, let's do it: set direction and exec command */
 	if (sub_cmd == GPIO_INPUT) {