nvme: fix 32-bit build warning
Compiling the nvme driver on 32-bit warns about a cast from a __u64 variable to a pointer: drivers/block/nvme-core.c: In function 'nvme_submit_io': drivers/block/nvme-core.c:1847:4: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] (void __user *)io.addr, length, NULL, 0); The cast here is intentional and safe, so we can shut up the gcc warning by adding an intermediate cast to 'uintptr_t'. I had previously submitted a patch to fix this problem in the nvme driver, but it was accepted on the same day that two new warnings got added. For clarification, I also change the third instance of this cast to use uintptr_t instead of unsigned long now. Signed-off-by: NArnd Bergmann <arnd@arndb.de> Fixes: d29ec824 ("nvme: submit internal commands through the block layer") Reviewed-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NJens Axboe <axboe@fb.com>
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