spl_mmc.c: Detect missing kernel image in RAW MMC
Currently, we assume that if we can read from MMC correctly, we have
found a valid image. This is not the case as an empty area will read
just fine. Add a check for a valid IH_MAGIC.
Signed-off-by: Tom Rini <trini@ti.com>
Reviewed-by: Peter Korsgaard <jacmet@sunsite.dk>
diff --git a/common/spl/spl_mmc.c b/common/spl/spl_mmc.c
index e369ce3..f27b4c2 100644
--- a/common/spl/spl_mmc.c
+++ b/common/spl/spl_mmc.c
@@ -13,6 +13,7 @@
#include <mmc.h>
#include <fat.h>
#include <version.h>
+#include <image.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -30,6 +31,9 @@
if (err == 0)
goto end;
+ if (image_get_magic(header) != IH_MAGIC)
+ return -1;
+
spl_parse_image_header(header);
/* convert size to sectors - round up */