diff options
| author | Ingo Molnar <mingo@kernel.org> | 2016-05-12 09:18:13 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-05-12 09:18:13 +0200 |
| commit | eb60b3e5e8dfdd590e586a6fc22daf2f63a7b7e6 (patch) | |
| tree | 1b06e2c1beca8f970685eb13096c7a12480526c6 /fs/proc/base.c | |
| parent | 58fe9c4621b7219e724c0b7af053112f974a08c3 (diff) | |
| parent | 53d3bc773eaa7ab1cf63585e76af7ee869d5e709 (diff) | |
Merge branch 'sched/urgent' into sched/core to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/proc/base.c')
| -rw-r--r-- | fs/proc/base.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c index b1755b23893e..0d163a84082d 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -434,7 +434,7 @@ static int proc_pid_wchan(struct seq_file *m, struct pid_namespace *ns, && !lookup_symbol_name(wchan, symname)) seq_printf(m, "%s", symname); else - seq_puts(m, "0\n"); + seq_putc(m, '0'); return 0; } @@ -955,7 +955,8 @@ static ssize_t environ_read(struct file *file, char __user *buf, struct mm_struct *mm = file->private_data; unsigned long env_start, env_end; - if (!mm) + /* Ensure the process spawned far enough to have an environment. */ + if (!mm || !mm->env_end) return 0; page = (char *)__get_free_page(GFP_TEMPORARY); |