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| author | Felix Fietkau <nbd@openwrt.org> | 2011-07-02 07:01:24 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2011-07-02 07:01:24 +0000 |
| commit | b8b060d2fedcd8b89e8b7a4a76573973109c519e (patch) | |
| tree | b954413a4bc6df78d316c22a9d2519a45352ffc0 | |
| parent | 0a7a73261abed56a9a55a7f5a073d6f122c9ce27 (diff) | |
| download | upstream-b8b060d2fedcd8b89e8b7a4a76573973109c519e.tar.gz upstream-b8b060d2fedcd8b89e8b7a4a76573973109c519e.tar.bz2 upstream-b8b060d2fedcd8b89e8b7a4a76573973109c519e.zip | |
broadcom-wl: fix memory corruption and leakage on remove (patch from #9576 by George Kashperko)
SVN-Revision: 27348
| -rw-r--r-- | package/broadcom-wl/patches/006-fix-mem-leak-on-unload.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/package/broadcom-wl/patches/006-fix-mem-leak-on-unload.patch b/package/broadcom-wl/patches/006-fix-mem-leak-on-unload.patch new file mode 100644 index 0000000000..41c246ff80 --- /dev/null +++ b/package/broadcom-wl/patches/006-fix-mem-leak-on-unload.patch @@ -0,0 +1,31 @@ +From: George Kashperko <george@znau.edu.ua> + +Release nvram variables buffer. +Prevent block reserved by alloc_etherdev from being freed. +Signed-off-by: George Kashperko <george@znau.edu.ua> +--- +--- +--- a/driver/siutils.c ++++ b/driver/siutils.c +@@ -647,7 +647,10 @@ si_detach(si_t *sih) + #if !defined(BCMBUSTYPE) || (BCMBUSTYPE == SI_BUS) + if (sii != &ksii) + #endif /* !BCMBUSTYPE || (BCMBUSTYPE == SI_BUS) */ +- MFREE(sii->osh, sii, sizeof(si_info_t)); ++ do { ++ MFREE(sii->osh, sii, sizeof(si_info_t)); ++ nvram_exit((void *)&(sii->pub)); ++ } while (0); + } + + void * +--- a/driver/wl_linux.c ++++ b/driver/wl_linux.c +@@ -1477,7 +1477,6 @@ wl_free_if(wl_info_t *wl, wl_if_t *wlif) + free_netdev(wlif->dev); + #endif + } +- MFREE(wl->osh, wlif, sizeof(wl_if_t)); + } + + #ifdef AP |