Commit aff374df authored by Gaurav Singh's avatar Gaurav Singh Committed by Andy Shevchenko

platform/x86: intel_pmc_core: fix bound check in pmc_core_mphy_pg_show()

Check bounds before accessing map[] array.
Signed-off-by: default avatarGaurav Singh <gaurav1086@gmail.com>
Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
parent cd85b55c
...@@ -795,7 +795,7 @@ static int pmc_core_mphy_pg_show(struct seq_file *s, void *unused) ...@@ -795,7 +795,7 @@ static int pmc_core_mphy_pg_show(struct seq_file *s, void *unused)
msleep(10); msleep(10);
val_high = pmc_core_reg_read(pmcdev, SPT_PMC_MFPMC_OFFSET); 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", seq_printf(s, "%-32s\tState: %s\n",
map[index].name, map[index].name,
map[index].bit_mask & val_low ? "Not power gated" : map[index].bit_mask & val_low ? "Not power gated" :
......
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