lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Sat, 16 Mar 2019 22:26:57 +0000 From: Colin King <colin.king@...onical.com> To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Arnd Bergmann <arnd@...db.de>, Hans de Goede <hdegoede@...hat.com>, devel@...verdev.osuosl.org Cc: kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH] staging: rtl8723bs: remove unused code From: Colin Ian King <colin.king@...onical.com> There are two final hunks of code that are only built if SDIO_DYNAMIC_ALLOC_MEM is defined however this is never defined and if it was the code would lead to dereferencing an uninitialized pointer oldmem. It appears that a previous commit 1babeb0c3e59 ("Staging: rtl8723bs: Remove dead code") removed some of the dead code but not all of it. Clean this up by removing the final hunks. Signed-off-by: Colin Ian King <colin.king@...onical.com> --- drivers/staging/rtl8723bs/hal/sdio_ops.c | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/drivers/staging/rtl8723bs/hal/sdio_ops.c b/drivers/staging/rtl8723bs/hal/sdio_ops.c index 3fee34484577..92191e9789bb 100644 --- a/drivers/staging/rtl8723bs/hal/sdio_ops.c +++ b/drivers/staging/rtl8723bs/hal/sdio_ops.c @@ -428,9 +428,6 @@ static u32 sdio_read_port( PSDIO_DATA psdio; struct hal_com_data *hal; u32 oldcnt; -#ifdef SDIO_DYNAMIC_ALLOC_MEM - u8 *oldmem; -#endif s32 err; @@ -447,13 +444,6 @@ static u32 sdio_read_port( err = _sd_read(intfhdl, addr, cnt, mem); -#ifdef SDIO_DYNAMIC_ALLOC_MEM - if ((oldcnt != cnt) && (oldmem)) { - memcpy(oldmem, mem, oldcnt); - kfree(mem); - } -#endif - if (err) return _FAIL; return _SUCCESS; -- 2.20.1
Powered by blists - more mailing lists