cmd: sata: add null pointer check for dev
Calling sata_scan() with a null pointer probably won't make much sense.
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/cmd/sata.c b/cmd/sata.c
index 6d62ba8..a73cc54 100644
--- a/cmd/sata.c
+++ b/cmd/sata.c
@@ -60,6 +60,10 @@
printf("Cannot probe SATA device %d (err=%d)\n", devnum, rc);
return CMD_RET_FAILURE;
}
+ if (!dev) {
+ printf("No SATA device found!\n");
+ return CMD_RET_FAILURE;
+ }
rc = sata_scan(dev);
if (rc) {
printf("Cannot scan SATA device %d (err=%d)\n", devnum, rc);