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| author | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2007-08-11 11:51:16 +0200 |
|---|---|---|
| committer | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2007-08-25 18:00:26 +0200 |
| commit | a2ee3f9bbb0ce57102dad8928d54f59acdc4b8f7 (patch) | |
| tree | 1eb83e61420815c84f3a61a802e3313267e2c2e1 /drivers/ieee1394 | |
| parent | d1caeb02b17c6bc215a9a40a98a1beb92dcbd310 (diff) | |
| download | linux-a2ee3f9bbb0ce57102dad8928d54f59acdc4b8f7.tar.gz | |
ieee1394: sbp2: fix sbp2_remove_device for error cases
Bug found by Olaf Hering <olh@suse.de>:
sbp2util_remove_command_orb_pool requires a valid lu->hi pointer.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Diffstat (limited to 'drivers/ieee1394')
| -rw-r--r-- | drivers/ieee1394/sbp2.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index 47dbe8f17e8210..a81ba8fca0db16 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -513,9 +513,9 @@ static int sbp2util_create_command_orb_pool(struct sbp2_lu *lu) return 0; } -static void sbp2util_remove_command_orb_pool(struct sbp2_lu *lu) +static void sbp2util_remove_command_orb_pool(struct sbp2_lu *lu, + struct hpsb_host *host) { - struct hpsb_host *host = lu->hi->host; struct list_head *lh, *next; struct sbp2_command_info *cmd; unsigned long flags; @@ -922,15 +922,16 @@ static void sbp2_remove_device(struct sbp2_lu *lu) if (!lu) return; - hi = lu->hi; + if (!hi) + goto no_hi; if (lu->shost) { scsi_remove_host(lu->shost); scsi_host_put(lu->shost); } flush_scheduled_work(); - sbp2util_remove_command_orb_pool(lu); + sbp2util_remove_command_orb_pool(lu, hi->host); list_del(&lu->lu_list); @@ -971,9 +972,8 @@ static void sbp2_remove_device(struct sbp2_lu *lu) lu->ud->device.driver_data = NULL; - if (hi) - module_put(hi->host->driver->owner); - + module_put(hi->host->driver->owner); +no_hi: kfree(lu); } |