diff options
Diffstat (limited to 'fs/proc/task_mmu.c')
| -rw-r--r-- | fs/proc/task_mmu.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index db15935fa757..30a6a72d05b2 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -536,15 +536,17 @@ static ssize_t clear_refs_write(struct file *file, const char __user *buf, char buffer[PROC_NUMBUF]; struct mm_struct *mm; struct vm_area_struct *vma; - long type; + int type; + int rv; memset(buffer, 0, sizeof(buffer)); if (count > sizeof(buffer) - 1) count = sizeof(buffer) - 1; if (copy_from_user(buffer, buf, count)) return -EFAULT; - if (strict_strtol(strstrip(buffer), 10, &type)) - return -EINVAL; + rv = kstrtoint(strstrip(buffer), 10, &type); + if (rv < 0) + return rv; if (type < CLEAR_REFS_ALL || type > CLEAR_REFS_MAPPED) return -EINVAL; task = get_proc_task(file->f_path.dentry->d_inode); |