diff options
Diffstat (limited to 'drivers/staging/android/binder.c')
-rw-r--r-- | drivers/staging/android/binder.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/staging/android/binder.c b/drivers/staging/android/binder.c index 6a4ceacb33f..758131cad08 100644 --- a/drivers/staging/android/binder.c +++ b/drivers/staging/android/binder.c @@ -319,6 +319,7 @@ int task_get_unused_fd_flags(struct task_struct *tsk, int flags) int fd, error; struct fdtable *fdt; unsigned long rlim_cur; + unsigned long irqs; if (files == NULL) return -ESRCH; @@ -335,12 +336,11 @@ repeat: * N.B. For clone tasks sharing a files structure, this test * will limit the total number of files that can be opened. */ - rcu_read_lock(); - if (tsk->signal) + rlim_cur = 0; + if (lock_task_sighand(tsk, &irqs)) { rlim_cur = tsk->signal->rlim[RLIMIT_NOFILE].rlim_cur; - else - rlim_cur = 0; - rcu_read_unlock(); + unlock_task_sighand(tsk, &irqs); + } if (fd >= rlim_cur) goto out; @@ -2649,14 +2649,14 @@ static void binder_vma_open(struct vm_area_struct *vma) { struct binder_proc *proc = vma->vm_private_data; if (binder_debug_mask & BINDER_DEBUG_OPEN_CLOSE) - printk(KERN_INFO "binder: %d open vm area %lx-%lx (%ld K) vma %lx pagep %lx\n", proc->pid, vma->vm_start, vma->vm_end, (vma->vm_end - vma->vm_start) / SZ_1K, vma->vm_flags, vma->vm_page_prot.pgprot); + printk(KERN_INFO "binder: %d open vm area %lx-%lx (%ld K) vma %lx pagep %lx\n", proc->pid, vma->vm_start, vma->vm_end, (vma->vm_end - vma->vm_start) / SZ_1K, vma->vm_flags, pgprot_val(vma->vm_page_prot)); dump_stack(); } static void binder_vma_close(struct vm_area_struct *vma) { struct binder_proc *proc = vma->vm_private_data; if (binder_debug_mask & BINDER_DEBUG_OPEN_CLOSE) - printk(KERN_INFO "binder: %d close vm area %lx-%lx (%ld K) vma %lx pagep %lx\n", proc->pid, vma->vm_start, vma->vm_end, (vma->vm_end - vma->vm_start) / SZ_1K, vma->vm_flags, vma->vm_page_prot.pgprot); + printk(KERN_INFO "binder: %d close vm area %lx-%lx (%ld K) vma %lx pagep %lx\n", proc->pid, vma->vm_start, vma->vm_end, (vma->vm_end - vma->vm_start) / SZ_1K, vma->vm_flags, pgprot_val(vma->vm_page_prot)); proc->vma = NULL; } @@ -2677,7 +2677,7 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma) vma->vm_end = vma->vm_start + SZ_4M; if (binder_debug_mask & BINDER_DEBUG_OPEN_CLOSE) - printk(KERN_INFO "binder_mmap: %d %lx-%lx (%ld K) vma %lx pagep %lx\n", proc->pid, vma->vm_start, vma->vm_end, (vma->vm_end - vma->vm_start) / SZ_1K, vma->vm_flags, vma->vm_page_prot.pgprot); + printk(KERN_INFO "binder_mmap: %d %lx-%lx (%ld K) vma %lx pagep %lx\n", proc->pid, vma->vm_start, vma->vm_end, (vma->vm_end - vma->vm_start) / SZ_1K, vma->vm_flags, pgprot_val(vma->vm_page_prot)); if (vma->vm_flags & FORBIDDEN_MMAP_FLAGS) { ret = -EPERM; |