Off by one in floppy.c

Another coverity patch i forgot to resend, original thread here
http://marc.info/?l=linux-kernel&m=115144559823592&w=2

In case drive == N_DRIVE, we get one past the drive_params array.

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 3587cb4..fe08804 100644 (file)
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -670,7 +670,7 @@ static void __reschedule_timeout(int drive, const char *message, int marg)
        if (drive == current_reqD)
                drive = current_drive;
        del_timer(&fd_timeout);
-       if (drive < 0 || drive > N_DRIVE) {
+       if (drive < 0 || drive >= N_DRIVE) {
                fd_timeout.expires = jiffies + 20UL * HZ;
                drive = 0;
        } else