From: Gaurav Singh Date: Wed, 24 Jun 2020 03:31:25 +0000 (-0400) Subject: platform/x86: intel_pmc_core: fix bound check in pmc_core_mphy_pg_show() X-Git-Tag: v5.9-rc1~185^2~28 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aff374dfe7330be10a20c97bd0b3196c153e9f9e;p=thirdparty%2Fkernel%2Flinux.git platform/x86: intel_pmc_core: fix bound check in pmc_core_mphy_pg_show() Check bounds before accessing map[] array. Signed-off-by: Gaurav Singh Signed-off-by: Andy Shevchenko --- diff --git a/drivers/platform/x86/intel_pmc_core.c b/drivers/platform/x86/intel_pmc_core.c index 5a0a25e9ccc91..338ea5222555a 100644 --- a/drivers/platform/x86/intel_pmc_core.c +++ b/drivers/platform/x86/intel_pmc_core.c @@ -795,7 +795,7 @@ static int pmc_core_mphy_pg_show(struct seq_file *s, void *unused) msleep(10); val_high = pmc_core_reg_read(pmcdev, SPT_PMC_MFPMC_OFFSET); - for (index = 0; map[index].name && index < 8; index++) { + for (index = 0; index < 8 && map[index].name; index++) { seq_printf(s, "%-32s\tState: %s\n", map[index].name, map[index].bit_mask & val_low ? "Not power gated" :