diff options
Diffstat (limited to 'drivers/ide/ide-cd.c')
| -rw-r--r-- | drivers/ide/ide-cd.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 4a19686fcfe..f0ede5953af 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -876,9 +876,12 @@ static int cdrom_read_capacity(ide_drive_t *drive, unsigned long *capacity, return stat; /* - * Sanity check the given block size + * Sanity check the given block size, in so far as making + * sure the sectors_per_frame we give to the caller won't + * end up being bogus. */ blocklen = be32_to_cpu(capbuf.blocklen); + blocklen = (blocklen >> SECTOR_BITS) << SECTOR_BITS; switch (blocklen) { case 512: case 1024: @@ -886,10 +889,9 @@ static int cdrom_read_capacity(ide_drive_t *drive, unsigned long *capacity, case 4096: break; default: - printk(KERN_ERR PFX "%s: weird block size %u\n", + printk_once(KERN_ERR PFX "%s: weird block size %u; " + "setting default block size to 2048\n", drive->name, blocklen); - printk(KERN_ERR PFX "%s: default to 2kb block size\n", - drive->name); blocklen = 2048; break; } |