eCryptfs: remove unneeded checks in virt_to_scatterlist()
This is always called with a valid "sg" pointer. My static checker complains because the call to sg_init_table() dereferences "sg" before we reach the checks. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
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@ -301,17 +301,14 @@ int virt_to_scatterlist(const void *addr, int size, struct scatterlist *sg,
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while (size > 0 && i < sg_size) {
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while (size > 0 && i < sg_size) {
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pg = virt_to_page(addr);
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pg = virt_to_page(addr);
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offset = offset_in_page(addr);
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offset = offset_in_page(addr);
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if (sg)
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sg_set_page(&sg[i], pg, 0, offset);
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sg_set_page(&sg[i], pg, 0, offset);
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remainder_of_page = PAGE_CACHE_SIZE - offset;
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remainder_of_page = PAGE_CACHE_SIZE - offset;
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if (size >= remainder_of_page) {
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if (size >= remainder_of_page) {
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if (sg)
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sg[i].length = remainder_of_page;
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sg[i].length = remainder_of_page;
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addr += remainder_of_page;
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addr += remainder_of_page;
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size -= remainder_of_page;
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size -= remainder_of_page;
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} else {
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} else {
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if (sg)
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sg[i].length = size;
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sg[i].length = size;
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addr += size;
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addr += size;
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size = 0;
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size = 0;
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}
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}
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