The function blk_dread will return -ENOSYS on failure or on success the
number of blocks read, which must be the number asked to read (otherwise
it failed somewhere). Correct this check.
Cc: Lukasz Majewski <lu...@denx.de>
Signed-off-by: Tom Rini <tr...@konsulko.com>
---
common/fb_mmc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/common/fb_mmc.c b/common/fb_mmc.c
index 2113b6c37239..8cef1c44075c 100644
--- a/common/fb_mmc.c
+++ b/common/fb_mmc.c
@@ -132,7 +132,7 @@ static lbaint_t fb_mmc_get_boot_header(struct blk_desc
*dev_desc,
/* Read the boot image header */
res = blk_dread(dev_desc, info->start, hdr_sectors, (void *)hdr);
- if (res == 0) {
+ if (res != hdr_sectors) {
error("cannot read header from boot partition");
fastboot_fail("cannot read header from boot partition");
return 0;
@@ -215,7 +215,7 @@ static int fb_mmc_update_zimage(struct blk_desc *dev_desc,
ramdisk_buffer = (u8 *)hdr + (hdr_sectors * info.blksz);
res = blk_dread(dev_desc, ramdisk_sector_start, ramdisk_sectors,
ramdisk_buffer);
- if (res == 0) {
+ if (res != ramdisk_sectors) {
error("cannot read ramdisk from boot partition");
fastboot_fail("cannot read ramdisk from boot partition");
return -1;
--
1.9.1
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