]> pilppa.com Git - linux-2.6-omap-h63xx.git/commitdiff
blktrace: small cleanup in blk_msg_write()
authorLi Zefan <lizf@cn.fujitsu.com>
Fri, 3 Apr 2009 07:31:34 +0000 (15:31 +0800)
committerIngo Molnar <mingo@elte.hu>
Fri, 3 Apr 2009 12:48:11 +0000 (14:48 +0200)
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: "Alan D. Brunelle" <alan.brunelle@hp.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
LKML-Reference: <49D5BB56.7000807@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
kernel/trace/blktrace.c

index a400b861fad3074cff6d7db7a53749793c6cba75..73d7860b72e27053791343103c544c10161c2e73 100644 (file)
@@ -327,7 +327,7 @@ static ssize_t blk_msg_write(struct file *filp, const char __user *buffer,
        char *msg;
        struct blk_trace *bt;
 
-       if (count > BLK_TN_MAX_MSG - 1)
+       if (count >= BLK_TN_MAX_MSG)
                return -EINVAL;
 
        msg = kmalloc(count + 1, GFP_KERNEL);