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Commit c3b291d9 authored by Will Deacon's avatar Will Deacon Committed by Russell King
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ARM: 6469/1: perf-events: squash compiler warning 



armv7_pmnc_counter_has_overflowed can return uninitialised data
if an invalid counter is specified.

This patch fixes the code to return 0 in this case, which squashes
the compiler warning from GCC 4.5.

Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent d33aadbf

arch/arm/kernel/perf_event.c

+1 −1
Original line number Diff line number Diff line
@@ -1749,7 +1749,7 @@ static inline int armv7_pmnc_has_overflowed(unsigned long pmnc) 
static inline int armv7_pmnc_counter_has_overflowed(unsigned long pmnc,

					enum armv7_counters counter)

{

	int ret;

	int ret = 0;



	if (counter == ARMV7_CYCLE_COUNTER)

		ret = pmnc & ARMV7_FLAG_C;