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iwlwifi: mvm: check sta_id/drain values in debugfs
[deliverable/linux.git]
/
drivers
/
net
/
wireless
/
iwlwifi
/
mvm
/
debugfs.c
diff --git
a/drivers/net/wireless/iwlwifi/mvm/debugfs.c
b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
index 9864d713eb2cb54920053fb971a65866f5ec0bf4..a8fe6b41f9a34b417a12e5295c7b86c75361bb1b 100644
(file)
--- a/
drivers/net/wireless/iwlwifi/mvm/debugfs.c
+++ b/
drivers/net/wireless/iwlwifi/mvm/debugfs.c
@@
-119,6
+119,10
@@
static ssize_t iwl_dbgfs_sta_drain_write(struct file *file,
if (sscanf(buf, "%d %d", &sta_id, &drain) != 2)
return -EINVAL;
+ if (sta_id < 0 || sta_id >= IWL_MVM_STATION_COUNT)
+ return -EINVAL;
+ if (drain < 0 || drain > 1)
+ return -EINVAL;
mutex_lock(&mvm->mutex);
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