[PATCH] cmd: efidebug: check pointer after memory allocation

[Heinrich Schuchardt]

After calling efi_alloc() we must check that the return value is not NULL.

Fixes: f01c961ee34c ("cmd: efidebug: add uri device path")
Addresses-Coverity-ID: 477185 Dereference null return value
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
---
 cmd/efidebug.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/cmd/efidebug.c b/cmd/efidebug.c
index e10fbf891a..997469b485 100644
--- a/cmd/efidebug.c
+++ b/cmd/efidebug.c
@@ -754,6 +754,10 @@ static int efi_boot_add_uri(int argc, char *const argv[], u16 *var_name16,
 
 	uridp_len = sizeof(struct efi_device_path) + strlen(argv[3]) + 1;
 	uridp = efi_alloc(uridp_len + sizeof(END));
+	if (!uridp) {
+		log_err("Out of memory\n");
+		return CMD_RET_FAILURE;
+	}
 	uridp->dp.type = DEVICE_PATH_TYPE_MESSAGING_DEVICE;
 	uridp->dp.sub_type = DEVICE_PATH_SUB_TYPE_MSG_URI;
 	uridp->dp.length = uridp_len;
-- 
2.43.0