iwlwifi: mvm: use scnprintf() instead of snprintf()

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It's safer to use scnprintf() here because the buffer might
be too short for the full format strings. In most cases
this isn't true because of external limits on the values.

In one case, this fixes a stack data leak.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

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Johannes Berg 2017-04-19 09:58:50 +02:00 • committed by Luca Coelho

parent a9c50726ce

commit 40e86a3619

1 changed files with 12 additions and 10 deletions

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drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c

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