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| author | Tom Rini <trini@konsulko.com> | 2017-08-14 21:00:44 -0400 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2017-08-21 11:31:11 +0200 |
| commit | 6bafa5a4bd7c4d85f86178aee8adb6040d8df4a3 (patch) | |
| tree | 2a662c93b6fefcb482de20dec4a82f6d4e0856a3 /common | |
| parent | 2341c80cd261291aff2c58b70bacc053ecca9d1d (diff) | |
| download | u-boot-6bafa5a4bd7c4d85f86178aee8adb6040d8df4a3.zip u-boot-6bafa5a4bd7c4d85f86178aee8adb6040d8df4a3.tar.gz u-boot-6bafa5a4bd7c4d85f86178aee8adb6040d8df4a3.tar.bz2 | |
fb_mmc.c: Correct blk_dread() return value checks
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 <lukma@denx.de>
Signed-off-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'common')
| -rw-r--r-- | common/fb_mmc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/common/fb_mmc.c b/common/fb_mmc.c index 2a8ba15..26d60b8 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; |