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mac80211: initialize variable have_higher_than_11mbit

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commit 68a18ad713 upstream.

Clang static analysis reports this warnings

mlme.c:5332:7: warning: Branch condition evaluates to a
  garbage value
    have_higher_than_11mbit)
    ^~~~~~~~~~~~~~~~~~~~~~~

have_higher_than_11mbit is only set to true some of the time in
ieee80211_get_rates() but is checked all of the time.  So
have_higher_than_11mbit needs to be initialized to false.

Fixes: 5d6a1b069b ("mac80211: set basic rates earlier")
Signed-off-by: Tom Rix <trix@redhat.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Link: https://lore.kernel.org/r/20211223162848.3243702-1-trix@redhat.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tom Rix
2021-12-23 08:28:48 -08:00
committed by Greg Kroah-Hartman
parent 16e5cad6ec
commit 2b3f34da0d
1 changed files with 1 additions and 1 deletions
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2
net/mac80211/mlme.c
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@@ -5194,7 +5194,7 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
*/
if (new_sta) {
u32 rates = 0, basic_rates = 0;
bool have_higher_than_11mbit;
bool have_higher_than_11mbit = false;
int min_rate = INT_MAX, min_rate_index = -1;
const struct cfg80211_bss_ies *ies;
int shift = ieee80211_vif_get_shift(&sdata->vif);