diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-01-05 12:55:03 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-01-05 12:55:03 +0000 |
| commit | 4c5f830c4c9d4f19c1eef356c0cd322b46d695c9 (patch) | |
| tree | a14ad6c652736bb28859a7aec392a01b236ae58d /net/wireless/scan.c | |
| parent | cc511b8d84d88ab788cddbfe8d21485b1c387493 (diff) | |
| parent | 2e3d256de9d3db5a7ca19b61305627a516b54b45 (diff) | |
Merge branch 'for-russell' of git://hansjkoch.de/git/linux-tcc into HEAD
Conflicts:
arch/arm/plat-omap/include/plat/common.h
Diffstat (limited to 'net/wireless/scan.c')
| -rw-r--r-- | net/wireless/scan.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 0fb142410404..dc23b31594e0 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -259,17 +259,20 @@ static int cmp_ies(u8 num, u8 *ies1, size_t len1, u8 *ies2, size_t len2) { const u8 *ie1 = cfg80211_find_ie(num, ies1, len1); const u8 *ie2 = cfg80211_find_ie(num, ies2, len2); - int r; + /* equal if both missing */ if (!ie1 && !ie2) return 0; - if (!ie1 || !ie2) + /* sort missing IE before (left of) present IE */ + if (!ie1) return -1; + if (!ie2) + return 1; - r = memcmp(ie1 + 2, ie2 + 2, min(ie1[1], ie2[1])); - if (r == 0 && ie1[1] != ie2[1]) + /* sort by length first, then by contents */ + if (ie1[1] != ie2[1]) return ie2[1] - ie1[1]; - return r; + return memcmp(ie1 + 2, ie2 + 2, ie1[1]); } static bool is_bss(struct cfg80211_bss *a, |