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path: root/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/fw.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/fw.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index 96d26b749952..5020cc707142 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -699,8 +699,12 @@ static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm)
enabled = !!(wifi_pkg->package.elements[1].integer.value);
n_profiles = wifi_pkg->package.elements[2].integer.value;
- /* in case of BIOS bug */
- if (n_profiles <= 0) {
+ /*
+ * Check the validity of n_profiles. The EWRD profiles start
+ * from index 1, so the maximum value allowed here is
+ * ACPI_SAR_PROFILES_NUM - 1.
+ */
+ if (n_profiles <= 0 || n_profiles >= ACPI_SAR_PROFILE_NUM) {
ret = -EINVAL;
goto out_free;
}
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