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7eda621404
In Netgear u-boot GPL code, nand devices uses this formula to locate the rootfs offset. offset = (((128 + KERNEL_SIZE) / BLOCK_SIZE) + 1) * BLOCK_SIZE; Howerver, WNDR4500 source code incorrectly define the nand block size to 64k. In some cases, it causes u-boot can't get the correct rootfs offset, which result in boot failure. This patch workaround it by padding kernel size to (128k * n - 128 - 1). The additional char '\0' is used to ensure the (128 + KERNEL_SIZE) can't be divided by the BLOCK_SIZE. Fixes: https://github.com/openwrt/openwrt/issues/13050 Fixes: 3c1512a25d92 ("ath79: optimize the firmware recipe for Netgear NAND devices") Tested-by: Yousaf <yousaf465@gmail.com> Signed-off-by: Shiji Yang <yangshiji66@qq.com> (cherry picked from commit 0f9b8aa3f592b22e3f1d5f7d049e92653ba0f884)