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Subject[PATCH 2/9] binfmt_elf: don't bother with __{put,copy_to}_user()
Date
From: Al Viro <viro@zeniv.linux.org.uk>

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
fs/binfmt_elf.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 13f25e241ac4..782d218c3bb9 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -202,7 +202,7 @@ create_elf_tables(struct linux_binprm *bprm, const struct elfhdr *exec,
size_t len = strlen(k_platform) + 1;

u_platform = (elf_addr_t __user *)STACK_ALLOC(p, len);
- if (__copy_to_user(u_platform, k_platform, len))
+ if (copy_to_user(u_platform, k_platform, len))
return -EFAULT;
}

@@ -215,7 +215,7 @@ create_elf_tables(struct linux_binprm *bprm, const struct elfhdr *exec,
size_t len = strlen(k_base_platform) + 1;

u_base_platform = (elf_addr_t __user *)STACK_ALLOC(p, len);
- if (__copy_to_user(u_base_platform, k_base_platform, len))
+ if (copy_to_user(u_base_platform, k_base_platform, len))
return -EFAULT;
}

@@ -225,7 +225,7 @@ create_elf_tables(struct linux_binprm *bprm, const struct elfhdr *exec,
get_random_bytes(k_rand_bytes, sizeof(k_rand_bytes));
u_rand_bytes = (elf_addr_t __user *)
STACK_ALLOC(p, sizeof(k_rand_bytes));
- if (__copy_to_user(u_rand_bytes, k_rand_bytes, sizeof(k_rand_bytes)))
+ if (copy_to_user(u_rand_bytes, k_rand_bytes, sizeof(k_rand_bytes)))
return -EFAULT;

/* Create the ELF interpreter info */
@@ -308,14 +308,14 @@ create_elf_tables(struct linux_binprm *bprm, const struct elfhdr *exec,
return -EFAULT;

/* Now, let's put argc (and argv, envp if appropriate) on the stack */
- if (__put_user(argc, sp++))
+ if (put_user(argc, sp++))
return -EFAULT;

/* Populate list of argv pointers back to argv strings. */
p = mm->arg_end = mm->arg_start;
while (argc-- > 0) {
size_t len;
- if (__put_user((elf_addr_t)p, sp++))
+ if (put_user((elf_addr_t)p, sp++))
return -EFAULT;
len = strnlen_user((void __user *)p, MAX_ARG_STRLEN);
if (!len || len > MAX_ARG_STRLEN)
@@ -330,14 +330,14 @@ create_elf_tables(struct linux_binprm *bprm, const struct elfhdr *exec,
mm->env_end = mm->env_start = p;
while (envc-- > 0) {
size_t len;
- if (__put_user((elf_addr_t)p, sp++))
+ if (put_user((elf_addr_t)p, sp++))
return -EFAULT;
len = strnlen_user((void __user *)p, MAX_ARG_STRLEN);
if (!len || len > MAX_ARG_STRLEN)
return -EINVAL;
p += len;
}
- if (__put_user(0, sp++))
+ if (put_user(0, sp++))
return -EFAULT;
mm->env_end = p;

--
2.11.0
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