projects
/
firefly-linux-kernel-4.4.55.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
| inline |
side by side
Merge remote-tracking branch 'asoc/fix/dapm' into asoc-linus
[firefly-linux-kernel-4.4.55.git]
/
fs
/
proc
/
base.c
diff --git
a/fs/proc/base.c
b/fs/proc/base.c
index 87782e874b6af4523adff3e7e721046d5f857ee0..aa50d1ac28fc6189a9489d1b679fcf86115e633c 100644
(file)
--- a/
fs/proc/base.c
+++ b/
fs/proc/base.c
@@
-243,6
+243,11
@@
static ssize_t proc_pid_cmdline_read(struct file *file, char __user *buf,
len1 = arg_end - arg_start;
len2 = env_end - env_start;
+ /* Empty ARGV. */
+ if (len1 == 0) {
+ rv = 0;
+ goto out_free_page;
+ }
/*
* Inherently racy -- command line shares address space
* with code and data.