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(parent: 25ba820) | patch
nios2: fix syscall restart checks
authorAl Viro <viro@zeniv.linux.org.uk>
Mon, 8 Aug 2022 15:08:48 +0000 (16:08 +0100)
committerDinh Nguyen <dinguyen@kernel.org>
Mon, 15 Aug 2022 16:25:32 +0000 (11:25 -0500)
commit2d631bd58fe0ea3e3350212e23c9aba1fb606514
treeb94a9773d4de37cce561d676e678d60a97866f41tree | snapshot
parent25ba820ef36bdbaf9884adeac69b6e1821a7df76commit | diff
nios2: fix syscall restart checks

sys_foo() returns -512 (aka -ERESTARTSYS) => do_signal() sees
512 in r2 and 1 in r1.

sys_foo() returns 512 => do_signal() sees 512 in r2 and 0 in r1.

The former is restart-worthy; the latter obviously isn't.

Fixes: b53e906d255d ("nios2: Signal handling support")
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
arch/nios2/kernel/signal.c diff | blob | history
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