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| author | Al Viro <viro@zeniv.linux.org.uk> | 2020-02-19 09:23:34 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2020-06-03 16:56:47 -0400 |
| commit | 646e84deb4496e2a884ca87fa960f1c614da882a (patch) | |
| tree | ebc352e34f77ccd4f49487ab529dfe23a417efeb /fs/binfmt_elf.c | |
| parent | 7e71609f64ec81b8367b7fa59ab06bb571d17e3b (diff) | |
| download | lwn-646e84deb4496e2a884ca87fa960f1c614da882a.tar.gz lwn-646e84deb4496e2a884ca87fa960f1c614da882a.zip | |
binfmt_elf: don't bother with __{put,copy_to}_user()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/binfmt_elf.c')
| -rw-r--r-- | fs/binfmt_elf.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 13f25e241ac4..dfccd095a289 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 */ @@ -308,21 +308,21 @@ 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) return -EINVAL; p += len; } - if (__put_user(0, sp++)) + if (put_user(0, sp++)) return -EFAULT; mm->arg_end = p; @@ -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; |