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Date: Mon, 19 Aug 2013 18:36:36 +0200 From: Andi Shyti <andi@...zian.org> To: josh.h.morris@...ibm.com, pjk1939@...ux.vnet.ibm.com Cc: linux-kernel@...r.kernel.org, andi@...zian.org Subject: [PATCH v2 1/1] rsxx: core: fix memory leak Free 'buf' before returning. the 'rsxx_cram_write()' function returns twice without freeing the allocated buffer 'buf' causing a possible memory leak. This issue has been reported by scan.coverity.com Signed-off-by: Andi Shyti <andi@...zian.org> --- drivers/block/rsxx/core.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/block/rsxx/core.c b/drivers/block/rsxx/core.c index 6e85e21..fa3740b 100644 --- a/drivers/block/rsxx/core.c +++ b/drivers/block/rsxx/core.c @@ -224,19 +224,20 @@ static ssize_t rsxx_cram_write(struct file *fp, const char __user *ubuf, st = copy_from_user(buf, ubuf, cnt); if (st) - return st; + goto exit; info->f_pos = (u32)*ppos + info->offset; st = rsxx_creg_write(card, CREG_ADD_CRAM + info->f_pos, cnt, buf, 1); if (st) - return st; + goto exit; info->offset += cnt; +exit: kfree(buf); - return cnt; + return st ? st : cnt; } static int rsxx_cram_open(struct inode *inode, struct file *file) -- 1.8.4.rc2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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