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https://github.com/Divested-Mobile/DivestOS-Build.git
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25 lines
745 B
Diff
25 lines
745 B
Diff
diff --git a/drivers/gpu/msm/kgsl_sharedmem.c b/drivers/gpu/msm/kgsl_sharedmem.c
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index 29f6162..a138719 100644
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--- a/drivers/gpu/msm/kgsl_sharedmem.c
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+++ b/drivers/gpu/msm/kgsl_sharedmem.c
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@@ -592,13 +592,18 @@
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size_t size)
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{
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int pcount = 0, order, ret = 0;
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- int j, len, page_size, sglen_alloc, sglen = 0;
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+ int j, page_size, sglen_alloc, sglen = 0;
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struct page **pages = NULL;
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pgprot_t page_prot = pgprot_writecombine(PAGE_KERNEL);
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void *ptr;
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+ size_t len;
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unsigned int align;
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int step = SZ_2M >> PAGE_SHIFT;
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+ size = PAGE_ALIGN(size);
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+ if (size == 0 || size > UINT_MAX)
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+ return -EINVAL;
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+
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align = (memdesc->flags & KGSL_MEMALIGN_MASK) >> KGSL_MEMALIGN_SHIFT;
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page_size = (align >= ilog2(SZ_64K) && size >= SZ_64K)
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