提交 c3b291d9 编写于 作者: W Will Deacon 提交者: Russell King

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: NWill Deacon <will.deacon@arm.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
上级 d33aadbf
......@@ -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;
......
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