[PATCH 04/18] rt18192e: use wrapper functions of net_ratelimit() to simplify code

From: Kefeng Wang
Date: Tue Oct 15 2013 - 08:07:24 EST


Wrapper functions net_ratelimited_function() and net_XXX_ratelimited()
are called to simplify code.

Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
---
drivers/staging/rtl8192e/rtllib_crypt_ccmp.c | 13 +++----------
drivers/staging/rtl8192e/rtllib_crypt_tkip.c | 21 +++++----------------
drivers/staging/rtl8192e/rtllib_rx.c | 6 ++----
3 files changed, 10 insertions(+), 30 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtllib_crypt_ccmp.c b/drivers/staging/rtl8192e/rtllib_crypt_ccmp.c
index e51cb49..0d089c1 100644
--- a/drivers/staging/rtl8192e/rtllib_crypt_ccmp.c
+++ b/drivers/staging/rtl8192e/rtllib_crypt_ccmp.c
@@ -275,10 +275,8 @@ static int rtllib_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
pos = skb->data + hdr_len;
keyidx = pos[3];
if (!(keyidx & (1 << 5))) {
- if (net_ratelimit()) {
- printk(KERN_DEBUG "CCMP: received packet without ExtIV"
+ net_dbg_ratelimited("CCMP: received packet without ExtIV"
" flag from %pM\n", hdr->addr2);
- }
key->dot11RSNAStatsCCMPFormatErrors++;
return -2;
}
@@ -289,11 +287,9 @@ static int rtllib_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
return -6;
}
if (!key->key_set) {
- if (net_ratelimit()) {
- printk(KERN_DEBUG "CCMP: received packet from %pM"
+ net_dbg_ratelimited("CCMP: received packet from %pM"
" with keyid=%d that does not have a configured"
" key\n", hdr->addr2, keyidx);
- }
return -3;
}

@@ -338,10 +334,7 @@ static int rtllib_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
}

if (memcmp(mic, a, CCMP_MIC_LEN) != 0) {
- if (net_ratelimit()) {
- printk(KERN_DEBUG "CCMP: decrypt failed: STA="
- " %pM\n", hdr->addr2);
- }
+ net_dbg_ratelimited("CCMP: decrypt failed: STA= %pM\n", hdr->addr2);
key->dot11RSNAStatsCCMPDecryptErrors++;
return -5;
}
diff --git a/drivers/staging/rtl8192e/rtllib_crypt_tkip.c b/drivers/staging/rtl8192e/rtllib_crypt_tkip.c
index 5cfd73b..c1f7683 100644
--- a/drivers/staging/rtl8192e/rtllib_crypt_tkip.c
+++ b/drivers/staging/rtl8192e/rtllib_crypt_tkip.c
@@ -396,10 +396,8 @@ static int rtllib_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
pos = skb->data + hdr_len;
keyidx = pos[3];
if (!(keyidx & (1 << 5))) {
- if (net_ratelimit()) {
- printk(KERN_DEBUG "TKIP: received packet without ExtIV"
+ net_dbg_ratelimited("TKIP: received packet without ExtIV"
" flag from %pM\n", hdr->addr2);
- }
return -2;
}
keyidx >>= 6;
@@ -409,11 +407,9 @@ static int rtllib_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
return -6;
}
if (!tkey->key_set) {
- if (net_ratelimit()) {
- printk(KERN_DEBUG "TKIP: received packet from %pM"
+ net_dbg_ratelimited("TKIP: received packet from %pM"
" with keyid=%d that does not have a configured"
" key\n", hdr->addr2, keyidx);
- }
return -3;
}
iv16 = (pos[0] << 8) | pos[2];
@@ -424,12 +420,10 @@ static int rtllib_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
if ((iv32 < tkey->rx_iv32 ||
(iv32 == tkey->rx_iv32 && iv16 <= tkey->rx_iv16)) &&
tkey->initialized) {
- if (net_ratelimit()) {
- printk(KERN_DEBUG "TKIP: replay detected: STA="
+ net_dbg_ratelimited("TKIP: replay detected: STA="
" %pM previous TSC %08x%04x received "
"TSC %08x%04x\n",hdr->addr2,
tkey->rx_iv32, tkey->rx_iv16, iv32, iv16);
- }
tkey->dot11RSNAStatsTKIPReplays++;
return -4;
}
@@ -448,11 +442,9 @@ static int rtllib_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)

crypto_blkcipher_setkey(tkey->rx_tfm_arc4, rc4key, 16);
if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4)) {
- if (net_ratelimit()) {
- printk(KERN_DEBUG ": TKIP: failed to decrypt "
+ net_dbg_ratelimited(": TKIP: failed to decrypt "
"received packet from %pM\n",
hdr->addr2);
- }
return -7;
}

@@ -469,10 +461,7 @@ static int rtllib_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
* next packet. */
tkey->rx_phase1_done = 0;
}
- if (net_ratelimit()) {
- printk(KERN_DEBUG "TKIP: ICV error detected: STA="
- " %pM\n", hdr->addr2);
- }
+ net_dbg_ratelimited("TKIP: ICV error detected: STA= %pM\n", hdr->addr2);
tkey->dot11RSNAStatsTKIPICVErrors++;
return -5;
}
diff --git a/drivers/staging/rtl8192e/rtllib_rx.c b/drivers/staging/rtl8192e/rtllib_rx.c
index 8aeaed5..4335611 100644
--- a/drivers/staging/rtl8192e/rtllib_rx.c
+++ b/drivers/staging/rtl8192e/rtllib_rx.c
@@ -870,8 +870,7 @@ static size_t rtllib_rx_get_hdrlen(struct rtllib_device *ieee,

hdrlen = rtllib_get_hdrlen(fc);
if (HTCCheck(ieee, skb->data)) {
- if (net_ratelimit())
- printk(KERN_INFO "%s: find HTCControl!\n", __func__);
+ net_info_ratelimited("%s: find HTCControl!\n", __func__);
hdrlen += 4;
rx_stats->bContainHTC = 1;
}
@@ -1439,8 +1438,7 @@ static int rtllib_rx_Monitor(struct rtllib_device *ieee, struct sk_buff *skb,
}

if (HTCCheck(ieee, skb->data)) {
- if (net_ratelimit())
- printk(KERN_INFO "%s: Find HTCControl!\n", __func__);
+ net_info_ratelimited("%s: Find HTCControl!\n", __func__);
hdrlen += 4;
}

--
1.8.2.1


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