[PATCH 1/1 linux-next] efi/capsule: kmap() can't fail

[Fabian Frederick]

Remove NULL test on kmap()

Signed-off-by: Fabian Frederick <f...@skynet.be>
---
 drivers/firmware/efi/capsule-loader.c | 5 -----
 drivers/firmware/efi/capsule.c        | 4 ----
 2 files changed, 9 deletions(-)

diff --git a/drivers/firmware/efi/capsule-loader.c 
b/drivers/firmware/efi/capsule-loader.c
index 9ae6c11..bf8b2ef 100644
--- a/drivers/firmware/efi/capsule-loader.c
+++ b/drivers/firmware/efi/capsule-loader.c
@@ -183,11 +183,6 @@ static ssize_t efi_capsule_write(struct file *file, const 
char __user *buff,
        page = cap_info->pages[cap_info->index - 1];
 
        kbuff = kmap(page);
-       if (!kbuff) {
-               pr_debug("%s: kmap() failed\n", __func__);
-               ret = -EFAULT;
-               goto failed;
-       }
        kbuff += PAGE_SIZE - cap_info->page_bytes_remain;
 
        /* Copy capsule binary data from user space to kernel space buffer */
diff --git a/drivers/firmware/efi/capsule.c b/drivers/firmware/efi/capsule.c
index 6eedff4..e603ccf 100644
--- a/drivers/firmware/efi/capsule.c
+++ b/drivers/firmware/efi/capsule.c
@@ -247,10 +247,6 @@ int efi_capsule_update(efi_capsule_header_t *capsule, 
struct page **pages)
                efi_capsule_block_desc_t *sglist;
 
                sglist = kmap(sg_pages[i]);
-               if (!sglist) {
-                       rv = -ENOMEM;
-                       goto out;
-               }
 
                for (j = 0; j < SGLIST_PER_PAGE && count > 0; j++) {
                        u64 sz = min_t(u64, imagesize, PAGE_SIZE);
-- 
2.9.3