From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Carpenter Date: Fri, 08 Nov 2013 09:44:31 +0000 Subject: [patch] [MIPS] Lasat: a couple off by one bugs in picvue_proc.c Message-Id: <20131108094431.GC27977@elgon.mountain> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Ralf Baechle Cc: linux-mips@linux-mips.org, kernel-janitors@vger.kernel.org These should be ">=" instead of ">" or we go past the end of the pvc_lines[] array. Signed-off-by: Dan Carpenter diff --git a/arch/mips/lasat/picvue_proc.c b/arch/mips/lasat/picvue_proc.c index 638c5db..8c55de4 100644 --- a/arch/mips/lasat/picvue_proc.c +++ b/arch/mips/lasat/picvue_proc.c @@ -44,7 +44,7 @@ static int pvc_line_proc_show(struct seq_file *m, void *v) { int lineno = *(int *)m->private; - if (lineno < 0 || lineno > PVC_NLINES) { + if (lineno < 0 || lineno >= PVC_NLINES) { printk(KERN_WARNING "proc_read_line: invalid lineno %d\n", lineno); return 0; } @@ -68,7 +68,7 @@ static ssize_t pvc_line_proc_write(struct file *file, const char __user *buf, char kbuf[PVC_LINELEN]; size_t len; - BUG_ON(lineno < 0 || lineno > PVC_NLINES); + BUG_ON(lineno < 0 || lineno >= PVC_NLINES); len = min(count, sizeof(kbuf) - 1); if (copy_from_user(kbuf, buf, len))