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-rw-r--r--drivers/fastboot/fb_mmc.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/fastboot/fb_mmc.c b/drivers/fastboot/fb_mmc.c
index 29c18cb82a..9d25c40202 100644
--- a/drivers/fastboot/fb_mmc.c
+++ b/drivers/fastboot/fb_mmc.c
@@ -370,6 +370,14 @@ static int fb_mmc_update_zimage(struct blk_desc *dev_desc,
return -1;
}
+ /* Check if boot image header version is 2 or less */
+ if (hdr->header_version > 2) {
+ pr_err("zImage flashing supported only for boot images v2 and less\n");
+ fastboot_fail("zImage flashing supported only for boot images v2 and less",
+ response);
+ return -EOPNOTSUPP;
+ }
+
/* Check if boot image has second stage in it (we don't support it) */
if (hdr->second_size > 0) {
pr_err("moving second stage is not supported yet\n");