[PATCH v2 1/7] efi/capsule: Fix return code on failing kmap/vmap

[Jan Kiszka]

If kmap or vmap fail, it means we ran out of memory. There are no
user-provided addressed involved that would justify EFAULT.

Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
---
 drivers/firmware/efi/capsule-loader.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/firmware/efi/capsule-loader.c 
b/drivers/firmware/efi/capsule-loader.c
index 9ae6c11..91e91f7 100644
--- a/drivers/firmware/efi/capsule-loader.c
+++ b/drivers/firmware/efi/capsule-loader.c
@@ -113,7 +113,7 @@ static ssize_t efi_capsule_submit_update(struct 
capsule_info *cap_info)
                        VM_MAP, PAGE_KERNEL);
        if (!cap_hdr_temp) {
                pr_debug("%s: vmap() failed\n", __func__);
-               return -EFAULT;
+               return -ENOMEM;
        }
 
        ret = efi_capsule_update(cap_hdr_temp, cap_info->pages);
@@ -185,7 +185,7 @@ static ssize_t efi_capsule_write(struct file *file, const 
char __user *buff,
        kbuff = kmap(page);
        if (!kbuff) {
                pr_debug("%s: kmap() failed\n", __func__);
-               ret = -EFAULT;
+               ret = -ENOMEM;
                goto failed;
        }
        kbuff += PAGE_SIZE - cap_info->page_bytes_remain;
-- 
2.10.2