From b8b060d2fedcd8b89e8b7a4a76573973109c519e Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Sat, 2 Jul 2011 07:01:24 +0000 Subject: [PATCH] broadcom-wl: fix memory corruption and leakage on remove (patch from #9576 by George Kashperko) SVN-Revision: 27348 --- .../patches/006-fix-mem-leak-on-unload.patch | 31 +++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 package/broadcom-wl/patches/006-fix-mem-leak-on-unload.patch 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 00000000000..41c246ff804 --- /dev/null +++ b/package/broadcom-wl/patches/006-fix-mem-leak-on-unload.patch @@ -0,0 +1,31 @@ +From: George Kashperko + +Release nvram variables buffer. +Prevent block reserved by alloc_etherdev from being freed. +Signed-off-by: George Kashperko +--- +--- +--- 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 -- 2.30.2