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drivers/net/wireless/ipw2x00/ipw2100.c: introduce missing initialization

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The result of one call to a function is tested, and then at the second call
to the same function, the previous result, and not the current result, is
tested again.

Also changed &bssid to bssid, at the suggestion of Stanislav Yakovlev.

The semantic match that finds the first problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression ret;
identifier f;
statement S1,S2;
@@

*ret = f(...);
if (\(ret != 0\|ret < 0\|ret == NULL\)) S1
... when any
*f(...);
if (\(ret != 0\|ret < 0\|ret == NULL\)) S2
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Julia Lawall 2012-08-19 11:49:58 +02:00 committed by John W. Linville
parent 3a245cbef6
commit 7b4e6cfbae
1 changed files with 2 additions and 1 deletions
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3
drivers/net/wireless/ipw2x00/ipw2100.c
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@ -2042,7 +2042,8 @@ static void isr_indicate_associated(struct ipw2100_priv *priv, u32 status)
return;
}
len = ETH_ALEN;
ipw2100_get_ordinal(priv, IPW_ORD_STAT_ASSN_AP_BSSID, &bssid, &len);
ret = ipw2100_get_ordinal(priv, IPW_ORD_STAT_ASSN_AP_BSSID, bssid,
&len);
if (ret) {
IPW_DEBUG_INFO("failed querying ordinals at line %d\n",
__LINE__);