diff options
| -rw-r--r-- | fs/proc/base.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c index c3af15e..daba136 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -775,7 +775,8 @@ static ssize_t mem_read(struct file * file, char __user * buf, if (!task) goto out_no_task; - if (check_mem_permission(task)) + ret = check_mem_permission(task); + if (ret) goto out; ret = -ENOMEM; @@ -845,7 +846,8 @@ static ssize_t mem_write(struct file * file, const char __user *buf, if (!task) goto out_no_task; - if (check_mem_permission(task)) + copied = check_mem_permission(task); + if (copied) goto out; copied = -ENOMEM; @@ -917,6 +919,7 @@ static ssize_t environ_read(struct file *file, char __user *buf, if (!task) goto out_no_task; + ret = -EPERM; if (!ptrace_may_access(task, PTRACE_MODE_READ)) goto out; |
