From dd3927105b6f65afb7dac17682172cdfb86d3f00 Mon Sep 17 00:00:00 2001 From: Pekka J Enberg Date: Tue, 6 Sep 2005 15:18:31 -0700 Subject: [PATCH] introduce and use kzalloc This patch introduces a kzalloc wrapper and converts kernel/ to use it. It saves a little program text. Signed-off-by: Pekka Enberg Signed-off-by: Adrian Bunk Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/slab.h | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) (limited to 'include/linux/slab.h') diff --git a/include/linux/slab.h b/include/linux/slab.h index 80b2dfde2e80..42a6bea58af3 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -99,7 +99,21 @@ found: return __kmalloc(size, flags); } -extern void *kcalloc(size_t, size_t, unsigned int __nocast); +extern void *kzalloc(size_t, unsigned int __nocast); + +/** + * kcalloc - allocate memory for an array. The memory is set to zero. + * @n: number of elements. + * @size: element size. + * @flags: the type of memory to allocate. + */ +static inline void *kcalloc(size_t n, size_t size, unsigned int __nocast flags) +{ + if (n != 0 && size > INT_MAX / n) + return NULL; + return kzalloc(n * size, flags); +} + extern void kfree(const void *); extern unsigned int ksize(const void *); -- cgit v1.2.3