x86/hw_breakpoints: Make default case in hw_breakpoint_arch_parse() return an error

[mirror_ubuntu-bionic-kernel.git] / arch / x86 / kernel / hw_breakpoint.c

diff --git a/arch/x86/kernel/hw_breakpoint.c b/arch/x86/kernel/hw_breakpoint.c
index 8771766d46b6c3e74d914136578f0b8d6f64b5ad..9954a604a8227f53a26e118fa0bcf338b485e5b1 100644 (file)
--- a/arch/x86/kernel/hw_breakpoint.c
+++ b/arch/x86/kernel/hw_breakpoint.c
@@ -352,6 +352,7 @@ int arch_validate_hwbkpt_settings(struct perf_event *bp)
 #endif
        default:
                WARN_ON_ONCE(1);
+               return -EINVAL;
        }
 
        /*