[U-Boot] [PATCH 3/3] cmd: sata: add null pointer check for dev

[Marcel Ziswiler]

From: Marcel Ziswiler <marcel.ziswi...@toradex.com>

Calling sata_scan() with a null pointer probably won't make much sense.

Signed-off-by: Marcel Ziswiler <marcel.ziswi...@toradex.com>

---

 cmd/sata.c | 4 ++++
 1 file changed, 4 insertions(+)

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);
-- 
2.20.1

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