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 <gaurav1086@gmail.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
mariux64 · Jul 9, 2020 · aff374d · aff374d
1 parent cd85b55
commit aff374d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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" :