[PATCH] frv: binfmt_elf_fdpic __user annotations

Add __user annotations to binfmt_elf_fdpic.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index a2e48c9..eba4e23 100644 (file)
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -435,9 +435,10 @@ static int create_elf_fdpic_tables(struct linux_binprm *bprm,
                                   struct elf_fdpic_params *interp_params)
 {
        unsigned long sp, csp, nitems;
-       elf_caddr_t *argv, *envp;
+       elf_caddr_t __user *argv, *envp;
        size_t platform_len = 0, len;
-       char *k_platform, *u_platform, *p;
+       char *k_platform;
+       char __user *u_platform, *p;
        long hwcap;
        int loop;
 
@@ -462,12 +463,11 @@ static int create_elf_fdpic_tables(struct linux_binprm *bprm,
        if (k_platform) {
                platform_len = strlen(k_platform) + 1;
                sp -= platform_len;
+               u_platform = (char __user *) sp;
                if (__copy_to_user(u_platform, k_platform, platform_len) != 0)
                        return -EFAULT;
        }
 
-       u_platform = (char *) sp;
-
 #if defined(__i386__) && defined(CONFIG_SMP)
        /* in some cases (e.g. Hyper-Threading), we want to avoid L1 evictions
         * by the processes running on the same package. One thing we can do
@@ -490,7 +490,7 @@ static int create_elf_fdpic_tables(struct linux_binprm *bprm,
        sp = (sp - len) & ~7UL;
        exec_params->map_addr = sp;
 
-       if (copy_to_user((void *) sp, exec_params->loadmap, len) != 0)
+       if (copy_to_user((void __user *) sp, exec_params->loadmap, len) != 0)
                return -EFAULT;
 
        current->mm->context.exec_fdpic_loadmap = (unsigned long) sp;
@@ -501,7 +501,7 @@ static int create_elf_fdpic_tables(struct linux_binprm *bprm,
                sp = (sp - len) & ~7UL;
                interp_params->map_addr = sp;
 
-               if (copy_to_user((void *) sp, interp_params->loadmap, len) != 0)
+               if (copy_to_user((void __user *) sp, interp_params->loadmap, len) != 0)
                        return -EFAULT;
 
                current->mm->context.interp_fdpic_loadmap = (unsigned long) sp;
@@ -527,7 +527,7 @@ static int create_elf_fdpic_tables(struct linux_binprm *bprm,
        /* put the ELF interpreter info on the stack */
 #define NEW_AUX_ENT(nr, id, val)                                               \
        do {                                                                    \
-               struct { unsigned long _id, _val; } *ent = (void *) csp;        \
+               struct { unsigned long _id, _val; } __user *ent = (void __user *) csp;  \
                __put_user((id), &ent[nr]._id);                                 \
                __put_user((val), &ent[nr]._val);                               \
        } while (0)
@@ -564,13 +564,13 @@ static int create_elf_fdpic_tables(struct linux_binprm *bprm,
 
        /* allocate room for argv[] and envv[] */
        csp -= (bprm->envc + 1) * sizeof(elf_caddr_t);
-       envp = (elf_caddr_t *) csp;
+       envp = (elf_caddr_t __user *) csp;
        csp -= (bprm->argc + 1) * sizeof(elf_caddr_t);
-       argv = (elf_caddr_t *) csp;
+       argv = (elf_caddr_t __user *) csp;
 
        /* stack argc */
        csp -= sizeof(unsigned long);
-       __put_user(bprm->argc, (unsigned long *) csp);
+       __put_user(bprm->argc, (unsigned long __user *) csp);
 
        BUG_ON(csp != sp);
 
@@ -581,7 +581,7 @@ static int create_elf_fdpic_tables(struct linux_binprm *bprm,
        current->mm->arg_start = current->mm->start_stack - (MAX_ARG_PAGES * PAGE_SIZE - bprm->p);
 #endif
 
-       p = (char *) current->mm->arg_start;
+       p = (char __user *) current->mm->arg_start;
        for (loop = bprm->argc; loop > 0; loop--) {
                __put_user((elf_caddr_t) p, argv++);
                len = strnlen_user(p, PAGE_SIZE * MAX_ARG_PAGES);
@@ -1025,7 +1025,7 @@ static int elf_fdpic_map_file_by_direct_mmap(struct elf_fdpic_params *params,
                /* clear the bit between beginning of mapping and beginning of PT_LOAD */
                if (prot & PROT_WRITE && disp > 0) {
                        kdebug("clear[%d] ad=%lx sz=%lx", loop, maddr, disp);
-                       clear_user((void *) maddr, disp);
+                       clear_user((void __user *) maddr, disp);
                        maddr += disp;
                }
 
@@ -1059,7 +1059,7 @@ static int elf_fdpic_map_file_by_direct_mmap(struct elf_fdpic_params *params,
                if (prot & PROT_WRITE && excess1 > 0) {
                        kdebug("clear[%d] ad=%lx sz=%lx",
                               loop, maddr + phdr->p_filesz, excess1);
-                       clear_user((void *) maddr + phdr->p_filesz, excess1);
+                       clear_user((void __user *) maddr + phdr->p_filesz, excess1);
                }
 
 #else