Merge "msm: kgsl: Protect against a potential overflow in kgsl_sg_alloc"

drivers/gpu/msm/kgsl_sharedmem.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -137,6 +137,9 @@ kgsl_sharedmem_map_vma(struct vm_area_struct *vma,

		static inline void *kgsl_sg_alloc(unsigned int sglen)
		{
		if (sglen >= ULONG_MAX / sizeof(struct scatterlist))
		return NULL;

		if ((sglen * sizeof(struct scatterlist)) < PAGE_SIZE)
		return kzalloc(sglen * sizeof(struct scatterlist), GFP_KERNEL);
		else