From 8a742f785bbda4a60288325e42953515c2320b50 Mon Sep 17 00:00:00 2001 From: Christian Gromm Date: Tue, 22 Dec 2015 10:52:47 +0100 Subject: [PATCH] staging: most: fix mbo leak This patch fixes a potential MBO leak in case function aim_read() exits right after the MBO has been fetched from kfifo and before it has been saved to the variable stacked_mbo. Signed-off-by: Christian Gromm Signed-off-by: Greg Kroah-Hartman --- drivers/staging/most/aim-cdev/cdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/most/aim-cdev/cdev.c b/drivers/staging/most/aim-cdev/cdev.c index 6ee4eb2..86194ce 100644 --- a/drivers/staging/most/aim-cdev/cdev.c +++ b/drivers/staging/most/aim-cdev/cdev.c @@ -237,6 +237,7 @@ aim_read(struct file *filp, char __user *buf, size_t count, loff_t *offset) (!channel->dev)))) return -ERESTARTSYS; } + channel->stacked_mbo = mbo; start_copy: /* make sure we don't submit to gone devices */ @@ -258,7 +259,6 @@ start_copy: if (count < mbo->processed_length) { channel->mbo_offs = copied; - channel->stacked_mbo = mbo; } else { most_put_mbo(mbo); channel->mbo_offs = 0; -- 2.7.4