diff options
Diffstat (limited to 'drivers/block/paride/pd.c')
| -rw-r--r-- | drivers/block/paride/pd.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/block/paride/pd.c b/drivers/block/paride/pd.c index dbb4da1cdca8..b9242d78283d 100644 --- a/drivers/block/paride/pd.c +++ b/drivers/block/paride/pd.c @@ -247,6 +247,8 @@ static char *pd_errs[17] = { "ERR", "INDEX", "ECC", "DRQ", "SEEK", "WRERR", "IDNF", "MC", "UNC", "???", "TMO" }; +static void *par_drv; /* reference of parport driver */ + static inline int status_reg(struct pd_unit *disk) { return pi_read_regr(disk->pi, 1, 6); @@ -872,6 +874,12 @@ static int pd_detect(void) pd_drive_count++; } + par_drv = pi_register_driver(name); + if (!par_drv) { + pr_err("failed to register %s driver\n", name); + return -1; + } + if (pd_drive_count == 0) { /* nothing spec'd - so autoprobe for 1 */ disk = pd; if (pi_init(disk->pi, 1, -1, -1, -1, -1, -1, pd_scratch, @@ -902,8 +910,10 @@ static int pd_detect(void) found = 1; } } - if (!found) + if (!found) { printk("%s: no valid drive found\n", name); + pi_unregister_driver(par_drv); + } return found; } |