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

From: Marcel Ziswiler marcel.ziswiler@toradex.com

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

Signed-off-by: Marcel Ziswiler marcel.ziswiler@toradex.com

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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);