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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-12-25 15:39:27 +0300 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-12-25 15:39:16 +0300 |
| commit | 33b1d09ef317d64c58b135c2e811bb55b3f15b19 (patch) | |
| tree | 40b7448fb78f750cd7725d75c5873e49a837d03b | |
| parent | 4f7e90d6d61fa0e56821787521c12f8a626c4037 (diff) | |
| download | linux-33b1d09ef317d64c58b135c2e811bb55b3f15b19.tar.xz | |
[S390] panic_stack leak in smp_alloc_lowcore
Fix freeing of the panic_stack if the allocation of async_stack failed.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| -rw-r--r-- | arch/s390/kernel/smp.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index bf170c698f0c..1e7db1ab7453 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -500,18 +500,15 @@ static int __cpuinit smp_alloc_lowcore(int cpu) save_area = get_zeroed_page(GFP_KERNEL); if (!save_area) - goto out_save_area; + goto out; lowcore->extended_save_area_addr = (u32) save_area; } #endif lowcore_ptr[cpu] = lowcore; return 0; -#ifndef CONFIG_64BIT -out_save_area: - free_page(panic_stack); -#endif out: + free_page(panic_stack); free_pages(async_stack, ASYNC_ORDER); free_pages((unsigned long) lowcore, lc_order); return -ENOMEM; |