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Guenter Roeck f48a9312cf Revert "sh: Handle calling csum_partial with misaligned data" 
[ Upstream commit b5319c9629 ]

This reverts commit cadc4e1a2b.

Commit cadc4e1a2b ("sh: Handle calling csum_partial with misaligned
data") causes bad checksum calculations on unaligned data. Reverting
it fixes the problem.

    # Subtest: checksum
    # module: checksum_kunit
    1..5
    # test_csum_fixed_random_inputs: ASSERTION FAILED at lib/checksum_kunit.c:500
    Expected ( u64)result == ( u64)expec, but
        ( u64)result == 53378 (0xd082)
        ( u64)expec == 33488 (0x82d0)
    # test_csum_fixed_random_inputs: pass:0 fail:1 skip:0 total:1
    not ok 1 test_csum_fixed_random_inputs
    # test_csum_all_carry_inputs: ASSERTION FAILED at lib/checksum_kunit.c:525
    Expected ( u64)result == ( u64)expec, but
        ( u64)result == 65281 (0xff01)
        ( u64)expec == 65280 (0xff00)
    # test_csum_all_carry_inputs: pass:0 fail:1 skip:0 total:1
    not ok 2 test_csum_all_carry_inputs
    # test_csum_no_carry_inputs: ASSERTION FAILED at lib/checksum_kunit.c:573
    Expected ( u64)result == ( u64)expec, but
        ( u64)result == 65535 (0xffff)
        ( u64)expec == 65534 (0xfffe)
    # test_csum_no_carry_inputs: pass:0 fail:1 skip:0 total:1
    not ok 3 test_csum_no_carry_inputs
    # test_ip_fast_csum: pass:1 fail:0 skip:0 total:1
    ok 4 test_ip_fast_csum
    # test_csum_ipv6_magic: pass:1 fail:0 skip:0 total:1
    ok 5 test_csum_ipv6_magic
 # checksum: pass:2 fail:3 skip:0 total:5
 # Totals: pass:2 fail:3 skip:0 total:5
not ok 22 checksum

Fixes: cadc4e1a2b ("sh: Handle calling csum_partial with misaligned data")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Link: https://lore.kernel.org/r/20240324231804.841099-1-linux@roeck-us.net
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2024-05-30 09:49:19 +02:00
..
boards sh: ecovec24: Rename missed backlight field from fbdev to dev 2024-01-19 09:07:00 +01:00
boot sh: Use generic GCC library routines 2023-04-25 09:16:47 +02:00
cchips sh: hd64461: Handle virq offset for offchip IRQ base and HD64461 IRQ 2023-07-13 08:37:53 +02:00
configs vfs-6.8.netfs 2024-01-19 09:10:23 -08:00
drivers sh updates for v6.7 2023-11-02 15:34:59 -10:00
include percpu: 2024-01-18 15:01:28 -08:00
kernel sh: kprobes: Merge arch_copy_kprobe() into arch_prepare_kprobe() 2024-05-30 09:49:19 +02:00
lib Revert "sh: Handle calling csum_partial with misaligned data" 2024-05-30 09:49:19 +02:00
math-emu sh: math-emu: fix macro redefined warning 2023-03-23 10:00:03 +01:00
mm mm, treewide: rename MAX_ORDER to MAX_PAGE_ORDER 2024-01-08 15:27:15 -08:00
tools sh: Remove SH5-based Cayman platform 2020-08-14 22:05:06 -04:00
Kbuild sh: Move build rule for cchips/hd6446x/ to arch/sh/Kbuild 2023-07-05 18:55:18 +02:00
Kconfig sh: Remove superhyway bus support 2023-10-25 16:50:11 +02:00
Kconfig.cpu docs: move superh documentation under Documentation/arch/ 2023-03-30 13:00:35 -06:00
Kconfig.debug sh: bios: Revive earlyprintk support 2023-10-25 16:50:30 +02:00
Makefile sh: Remove compiler flag duplication 2023-07-05 18:55:25 +02:00