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wifi: lib80211: Constify struct lib80211_crypto_ops

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Now that functions in lib80211 handle "const struct lib80211_crypto_ops",
some structure can be constified as well.

Constifying these structures moves some data to a read-only section, so
increase overall security.

Before:
   text	   data	    bss	    dec	    hex	filename
   7273	    604	     16	   7893	   1ed5	net/wireless/lib80211.o

After:
   text	   data	    bss	    dec	    hex	filename
   7429	    444	     16	   7889	   1ed1	net/wireless/lib80211.o

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/0cc3741c15f2c502cc85bddda9d6582b5977c8f9.1722839425.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Christophe JAILLET 2024-08-05 08:40:38 +02:00 committed by Johannes Berg
parent 3a3d1afd25
commit 1842442007
4 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
net/wireless/lib80211.c
View File

@ -234,7 +234,7 @@ static void lib80211_crypt_null_deinit(void *priv)
{
}
static struct lib80211_crypto_ops lib80211_crypt_null = {
static const struct lib80211_crypto_ops lib80211_crypt_null = {
.name = "NULL",
.init = lib80211_crypt_null_init,
.deinit = lib80211_crypt_null_deinit,

2
net/wireless/lib80211_crypt_ccmp.c
View File

@ -418,7 +418,7 @@ static void lib80211_ccmp_print_stats(struct seq_file *m, void *priv)
ccmp->dot11RSNAStatsCCMPDecryptErrors);
}
static struct lib80211_crypto_ops lib80211_crypt_ccmp = {
static const struct lib80211_crypto_ops lib80211_crypt_ccmp = {
.name = "CCMP",
.init = lib80211_ccmp_init,
.deinit = lib80211_ccmp_deinit,

2
net/wireless/lib80211_crypt_tkip.c
View File

@ -705,7 +705,7 @@ static void lib80211_tkip_print_stats(struct seq_file *m, void *priv)
tkip->dot11RSNAStatsTKIPLocalMICFailures);
}
static struct lib80211_crypto_ops lib80211_crypt_tkip = {
static const struct lib80211_crypto_ops lib80211_crypt_tkip = {
.name = "TKIP",
.init = lib80211_tkip_init,
.deinit = lib80211_tkip_deinit,

2
net/wireless/lib80211_crypt_wep.c
View File

@ -226,7 +226,7 @@ static void lib80211_wep_print_stats(struct seq_file *m, void *priv)
seq_printf(m, "key[%d] alg=WEP len=%d\n", wep->key_idx, wep->key_len);
}
static struct lib80211_crypto_ops lib80211_crypt_wep = {
static const struct lib80211_crypto_ops lib80211_crypt_wep = {
.name = "WEP",
.init = lib80211_wep_init,
.deinit = lib80211_wep_deinit,