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Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 

Pull sysctl fix from Al Viro:
 "Another regression fix for sysctl changes this cycle..."

* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  Call sysctl_head_finish on error
alistair/sunxi64-5.8
Linus Torvalds 2020-07-03 23:20:14 -07:00
parent b8e516b367 d4d80e6992
commit 8b082a41da
1 changed files with 3 additions and 3 deletions
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6
fs/proc/proc_sysctl.c
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@ -566,8 +566,9 @@ static ssize_t proc_sys_call_handler(struct file *filp, void __user *ubuf,
goto out;
/* don't even try if the size is too large */
if (count > KMALLOC_MAX_SIZE)
return -ENOMEM;
error = -ENOMEM;
if (count >= KMALLOC_MAX_SIZE)
goto out;
if (write) {
kbuf = memdup_user_nul(ubuf, count);
@ -576,7 +577,6 @@ static ssize_t proc_sys_call_handler(struct file *filp, void __user *ubuf,
goto out;
}
} else {
error = -ENOMEM;
kbuf = kzalloc(count, GFP_KERNEL);
if (!kbuf)
goto out;