Messages in this thread Patch in this message | | | From | Fabian Frederick <> | Subject | [PATCH 09/14] kdb: use atomic_dec_not_zero() | Date | Mon, 30 Jan 2017 19:48:03 +0100 |
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instead of atomic_add_unless(value, -1, 0)
Signed-off-by: Fabian Frederick <fabf@skynet.be> --- kernel/debug/kdb/kdb_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c index ca18391..095e6d8 100644 --- a/kernel/debug/kdb/kdb_main.c +++ b/kernel/debug/kdb/kdb_main.c @@ -2173,7 +2173,7 @@ static int kdb_disable_nmi(int argc, const char *argv[]) static int kdb_param_enable_nmi(const char *val, const struct kernel_param *kp) { - if (!atomic_add_unless(&kdb_nmi_disabled, -1, 0)) + if (!atomic_dec_not_zero(&kdb_nmi_disabled)) return -EINVAL; arch_kgdb_ops.enable_nmi(1); return 0; -- 2.9.3
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