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authorKristian Høgsberg <krh@redhat.com>2007-06-20 17:48:07 -0400
committerStefan Richter <stefanr@s5r6.in-berlin.de>2007-06-21 00:09:41 +0200
commit24315c5e6f508edd84e996d67daef3d1bcc72f8b (patch)
tree02ea28b57eac01929dd8b7bcb761527b92941af5 /drivers
parent18b461796b737f94286f73710debc8649467161b (diff)
firewire: Only set client->iso_context if allocation was successful.
This patch fixes an OOPS on cdev release for an fd where iso context creation failed. Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/firewire/fw-cdev.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/firewire/fw-cdev.c b/drivers/firewire/fw-cdev.c
index 5d402d63799..dbb76427d52 100644
--- a/drivers/firewire/fw-cdev.c
+++ b/drivers/firewire/fw-cdev.c
@@ -640,6 +640,7 @@ iso_callback(struct fw_iso_context *context, u32 cycle,
static int ioctl_create_iso_context(struct client *client, void *buffer)
{
struct fw_cdev_create_iso_context *request = buffer;
+ struct fw_iso_context *context;
if (request->channel > 63)
return -EINVAL;
@@ -661,15 +662,17 @@ static int ioctl_create_iso_context(struct client *client, void *buffer)
return -EINVAL;
}
+ context = fw_iso_context_create(client->device->card,
+ request->type,
+ request->channel,
+ request->speed,
+ request->header_size,
+ iso_callback, client);
+ if (IS_ERR(context))
+ return PTR_ERR(context);
+
client->iso_closure = request->closure;
- client->iso_context = fw_iso_context_create(client->device->card,
- request->type,
- request->channel,
- request->speed,
- request->header_size,
- iso_callback, client);
- if (IS_ERR(client->iso_context))
- return PTR_ERR(client->iso_context);
+ client->iso_context = context;
/* We only support one context at this time. */
request->handle = 0;