nvme-pci: remove an unnecessary initialization in HMB code

The local variable __size__ will be set a bit later in a for-loop.
Remove the explicit initialization at the beginning of this function.

Signed-off-by: Minwoo Im <minwoo.im.dev@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index f5800c3c9082a6f038c129327bccd22f5eb861fe..35331fa0013c05bf2998f0be1dfcba48fb33105f 100644 (file)
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -1770,7 +1770,7 @@ static int __nvme_alloc_host_mem(struct nvme_dev *dev, u64 preferred,
        dma_addr_t descs_dma;
        int i = 0;
        void **bufs;
-       u64 size = 0, tmp;
+       u64 size, tmp;
 
        tmp = (preferred + chunk_size - 1);
        do_div(tmp, chunk_size);
@@ -1853,7 +1853,7 @@ static int nvme_setup_host_mem(struct nvme_dev *dev)
        u64 preferred = (u64)dev->ctrl.hmpre * 4096;
        u64 min = (u64)dev->ctrl.hmmin * 4096;
        u32 enable_bits = NVME_HOST_MEM_ENABLE;
-       int ret = 0;
+       int ret;
 
        preferred = min(preferred, max);
        if (min > max) {