[PATCH 1/7] x86: fix duplicate free in setup_pcpu_remap() failure path

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



In the failure path, setup_pcpu_remap() tries to free the area which
has already been freed to make holes in the large page.  Fix it.

[ Impact: fix duplicate free in failure path ]

Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
---
 arch/x86/kernel/setup_percpu.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index 9c3f082..dfbc7e6 100644
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -228,7 +228,7 @@ static ssize_t __init setup_pcpu_remap(size_t static_size)
 enomem:
 	for_each_possible_cpu(cpu)
 		if (pcpur_ptrs[cpu])
-			free_bootmem(__pa(pcpur_ptrs[cpu]), PMD_SIZE);
+			free_bootmem(__pa(pcpur_ptrs[cpu]), pcpur_size);
 	ret = -ENOMEM;
 out_free_ar:
 	free_bootmem(__pa(pcpur_ptrs), ptrs_size);
-- 
1.6.0.2

--
To unsubscribe from this list: send the line "unsubscribe linux-arch" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux Kernel]     [Kernel Newbies]     [x86 Platform Driver]     [Netdev]     [Linux Wireless]     [Netfilter]     [Bugtraq]     [Linux Filesystems]     [Yosemite Discussion]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Device Mapper]

  Powered by Linux