Messages in this thread Patch in this message | | | Date | Fri, 6 Jan 2006 13:12:46 -0200 | From | Luiz Fernando Capitulino <> | Subject | [PATCH] slab: Adds missing kmalloc() checks. |
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Adds two missing kmalloc() checks in kmem_cache_init(). Note that if the allocation fails, there is nothing to do, so we panic(); and the __LINE__ is used because is good to know which allocation has failed.
Signed-off-by: Luiz Capitulino <lcapitulino@mandriva.com.br>
mm/slab.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/mm/slab.c b/mm/slab.c index e5ec26e..3f23ad2 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -1115,6 +1115,8 @@ void __init kmem_cache_init(void) void * ptr; ptr = kmalloc(sizeof(struct arraycache_init), GFP_KERNEL); + if (!ptr) + panic("%s at %d: Could not allocate memory.\n", __FUNCTION__, __LINE__); local_irq_disable(); BUG_ON(ac_data(&cache_cache) != &initarray_cache.cache); @@ -1124,6 +1126,8 @@ void __init kmem_cache_init(void) local_irq_enable(); ptr = kmalloc(sizeof(struct arraycache_init), GFP_KERNEL); + if (!ptr) + panic("%s at %d: Could not allocate memory.\n", __FUNCTION__, __LINE__); local_irq_disable(); BUG_ON(ac_data(malloc_sizes[INDEX_AC].cs_cachep)
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