[tip:perfcounters/core] perf_counter: powerpc: Fix two compile warnings

From: tip-bot for Paul Mackerras
Date: Mon Jun 15 2009 - 10:22:41 EST


Commit-ID: 90c8f954534ba15e4542ab00dd9f0e58b071518c
Gitweb: http://git.kernel.org/tip/90c8f954534ba15e4542ab00dd9f0e58b071518c
Author: Paul Mackerras <paulus@xxxxxxxxx>
AuthorDate: Mon, 15 Jun 2009 21:36:52 +1000
Committer: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Mon, 15 Jun 2009 16:12:25 +0200

perf_counter: powerpc: Fix two compile warnings

This fixes a couple of compile warnings that crept into the powerpc
perf_counter code recently:

CC arch/powerpc/kernel/perf_counter.o
arch/powerpc/kernel/perf_counter.c: In function 'record_and_restart':
arch/powerpc/kernel/perf_counter.c:1016: warning: unused variable 'addr'
arch/powerpc/kernel/perf_counter.c: In function 'hw_perf_counter_init':
arch/powerpc/kernel/perf_counter.c:891: warning: 'ev' may be used uninitialized in this function

Stephen Rothwell reported this against linux-next as well.

Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Signed-off-by: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
LKML-Reference: <18998.12884.787039.22202@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>


---
arch/powerpc/kernel/perf_counter.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/arch/powerpc/kernel/perf_counter.c b/arch/powerpc/kernel/perf_counter.c
index bb20238..e6dc185 100644
--- a/arch/powerpc/kernel/perf_counter.c
+++ b/arch/powerpc/kernel/perf_counter.c
@@ -913,6 +913,8 @@ const struct pmu *hw_perf_counter_init(struct perf_counter *counter)
case PERF_TYPE_RAW:
ev = counter->attr.config;
break;
+ default:
+ return ERR_PTR(-EINVAL);
}
counter->hw.config_base = ev;
counter->hw.idx = 0;
@@ -1013,7 +1015,7 @@ static void record_and_restart(struct perf_counter *counter, long val,
u64 period = counter->hw.sample_period;
s64 prev, delta, left;
int record = 0;
- u64 addr, mmcra, sdsync;
+ u64 mmcra, sdsync;

/* we don't have to worry about interrupts here */
prev = atomic64_read(&counter->hw.prev_count);
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/