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authorStefan Richter <stefanr@s5r6.in-berlin.de>2007-08-11 11:51:16 +0200
committerStefan Richter <stefanr@s5r6.in-berlin.de>2007-08-25 18:00:26 +0200
commita2ee3f9bbb0ce57102dad8928d54f59acdc4b8f7 (patch)
tree1eb83e61420815c84f3a61a802e3313267e2c2e1 /drivers/ieee1394
parentd1caeb02b17c6bc215a9a40a98a1beb92dcbd310 (diff)
downloadop-kernel-dev-a2ee3f9bbb0ce57102dad8928d54f59acdc4b8f7.zip
op-kernel-dev-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.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c
index 47dbe8f..a81ba8f 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);
}
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