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| author | Will Deacon <will@kernel.org> | 2020-10-01 12:54:54 +0200 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2020-10-01 23:29:53 +0200 |
| commit | d9ef632fab9ba81b708763bcbcfdbea9a55c95d2 (patch) | |
| tree | 009a0ca1af059e4cc93e21a1b4e25be9afa4ec32 | |
| parent | arm_pmu: arm64: Use NMIs for PMU (diff) | |
| download | linux-d9ef632fab9ba81b708763bcbcfdbea9a55c95d2.tar.xz linux-d9ef632fab9ba81b708763bcbcfdbea9a55c95d2.zip | |
perf: arm-cmn: Fix unsigned comparison to less than zero
Ensure that the 'irq' field of 'struct arm_cmn_dtc' is a signed int
so that it can be compared '< 0'.
Link: https://lore.kernel.org/r/20200929170835.GA15956@embeddedor
Addresses-Coverity-ID: 1497488 ("Unsigned compared against 0")
Fixes: 0ba64770a2f2 ("perf: Add Arm CMN-600 PMU driver")
Reported-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
| -rw-r--r-- | drivers/perf/arm-cmn.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/perf/arm-cmn.c b/drivers/perf/arm-cmn.c index e824b5b83ea2..cd4da4c5dac0 100644 --- a/drivers/perf/arm-cmn.c +++ b/drivers/perf/arm-cmn.c @@ -217,7 +217,7 @@ struct arm_cmn_node { struct arm_cmn_dtc { void __iomem *base; - unsigned int irq; + int irq; int irq_friend; bool cc_active; |