diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/block/floppy.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 671a0ae434b4..fee57f7f3821 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -3233,8 +3233,10 @@ static int set_geometry(unsigned int cmd, struct floppy_struct *g, int cnt; /* sanity checking for parameters. */ - if (g->sect <= 0 || - g->head <= 0 || + if ((int)g->sect <= 0 || + (int)g->head <= 0 || + /* check for overflow in max_sector */ + (int)(g->sect * g->head) <= 0 || /* check for zero in F_SECT_PER_TRACK */ (unsigned char)((g->sect << 2) >> FD_SIZECODE(g)) == 0 || g->track <= 0 || g->track > UDP->tracks >> STRETCH(g) || |