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authorMiri Korenblit <[email protected]>2024-01-29 21:21:49 +0200
committerJohannes Berg <[email protected]>2024-02-02 14:04:42 +0100
commitc8d8f3911135921ace8e939ea0956b55f74bf8a0 (patch)
tree61ffc0ed2bc35bbd4e5206c8a45d6837ccd35a79 /drivers/net/wireless/intel/iwlwifi/fw/acpi.c
parenta6dfe1e74403082e43b1f5ed49c0044eeb93da6c (diff)
wifi: iwlwifi: fix EWRD table validity check
EWRD ACPI table contains up to 3 additional sar profiles. According to the BIOS spec, the table contains a n_profile variable indicating how many additional profiles exist in the table. Currently we check that n_profiles is not <= 0. But according to the BIOS spec, 0 is a valid value, and it can't be < 0 anyway because we receive that from ACPI as an unsigned integer. Fixes: 39c1a9728f93 ("iwlwifi: refactor the SAR tables from mvm to acpi") Signed-off-by: Miri Korenblit <[email protected]> Reviewed-by: Gregory Greenman <[email protected]> Link: https://msgid.link/20240129211905.448ea2f40814.Iffd2aadf8e8693e6cb599bee0406a800a0c1e081@changeid Signed-off-by: Johannes Berg <[email protected]>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/fw/acpi.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/fw/acpi.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
index dd68d382d7de..9be91e6a9882 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
@@ -767,7 +767,7 @@ read_table:
* 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) {
+ if (n_profiles >= ACPI_SAR_PROFILE_NUM) {
ret = -EINVAL;
goto out_free;
}