From: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Date: Fri, 1 Feb 2019 15:01:08 +0000 (+0100)
Subject: cmd: sata: add null pointer check for dev
X-Git-Url: http://git.dujemihanovic.xyz/login.html?a=commitdiff_plain;h=b3860bfe779f71708f380392ef195e137981d7ad;p=u-boot.git

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 6d62ba8f74..a73cc54bd3 100644
--- a/cmd/sata.c
+++ b/cmd/sata.c
@@ -60,6 +60,10 @@ int sata_probe(int devnum)
 		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);