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| author | Al Viro <viro@ftp.linux.org.uk> | 2006-10-10 22:46:07 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-10 15:37:22 -0700 |
| commit | ba46df984b8e8114c3cf19c51670fab084bd4196 (patch) | |
| tree | ed41e3a2278dfc22bd7fda59e99d8c74af8f429d /kernel/futex.c | |
| parent | 28c4dadd3a7221f5b9cd5c7d03c499788b193353 (diff) | |
| download | lwn-ba46df984b8e8114c3cf19c51670fab084bd4196.tar.gz lwn-ba46df984b8e8114c3cf19c51670fab084bd4196.zip | |
[PATCH] __user annotations: futex
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/futex.c')
| -rw-r--r-- | kernel/futex.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/kernel/futex.c b/kernel/futex.c index 4aaf91951a43..b364e0026191 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -1612,10 +1612,10 @@ sys_set_robust_list(struct robust_list_head __user *head, * @len_ptr: pointer to a length field, the kernel fills in the header size */ asmlinkage long -sys_get_robust_list(int pid, struct robust_list_head __user **head_ptr, +sys_get_robust_list(int pid, struct robust_list_head __user * __user *head_ptr, size_t __user *len_ptr) { - struct robust_list_head *head; + struct robust_list_head __user *head; unsigned long ret; if (!pid) @@ -1694,14 +1694,15 @@ retry: * Fetch a robust-list pointer. Bit 0 signals PI futexes: */ static inline int fetch_robust_entry(struct robust_list __user **entry, - struct robust_list __user **head, int *pi) + struct robust_list __user * __user *head, + int *pi) { unsigned long uentry; - if (get_user(uentry, (unsigned long *)head)) + if (get_user(uentry, (unsigned long __user *)head)) return -EFAULT; - *entry = (void *)(uentry & ~1UL); + *entry = (void __user *)(uentry & ~1UL); *pi = uentry & 1; return 0; @@ -1739,7 +1740,7 @@ void exit_robust_list(struct task_struct *curr) return; if (pending) - handle_futex_death((void *)pending + futex_offset, curr, pip); + handle_futex_death((void __user *)pending + futex_offset, curr, pip); while (entry != &head->list) { /* @@ -1747,7 +1748,7 @@ void exit_robust_list(struct task_struct *curr) * don't process it twice: */ if (entry != pending) - if (handle_futex_death((void *)entry + futex_offset, + if (handle_futex_death((void __user *)entry + futex_offset, curr, pi)) return; /* |