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| author | Frank Seidel <frank@f-seidel.de> | 2009-02-25 15:39:57 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-03-05 14:39:31 -0500 |
| commit | 998a5a7d6aabe7e450759e0d82c8a79afd5a97ff (patch) | |
| tree | 958b84f6c9e5f073ed799a1a4ed37012f0fa0a4b /drivers/net/wireless/airo.c | |
| parent | b837e606d17a765f404175ae42a15ce17631e7d2 (diff) | |
| download | lwn-998a5a7d6aabe7e450759e0d82c8a79afd5a97ff.tar.gz lwn-998a5a7d6aabe7e450759e0d82c8a79afd5a97ff.zip | |
airo: reduce stack memory footprint
Applying kernel janitors todos (reduce stack
footprint where possible) to airo wireless driver.
(Before 1124 bytes on i386, now 876)
Signed-off-by: Frank Seidel <frank@f-seidel.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/airo.c')
| -rw-r--r-- | drivers/net/wireless/airo.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c index a3e324e0ca83..f5e2dca083cb 100644 --- a/drivers/net/wireless/airo.c +++ b/drivers/net/wireless/airo.c @@ -7148,11 +7148,15 @@ static int airo_get_aplist(struct net_device *dev, { struct airo_info *local = dev->ml_priv; struct sockaddr *address = (struct sockaddr *) extra; - struct iw_quality qual[IW_MAX_AP]; + struct iw_quality *qual; BSSListRid BSSList; int i; int loseSync = capable(CAP_NET_ADMIN) ? 1: -1; + qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL); + if (!qual) + return -ENOMEM; + for (i = 0; i < IW_MAX_AP; i++) { u16 dBm; if (readBSSListRid(local, loseSync, &BSSList)) @@ -7207,6 +7211,7 @@ static int airo_get_aplist(struct net_device *dev, } dwrq->length = i; + kfree(qual); return 0; } |