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>
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18b461796b
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24315c5e6f
1 changed files with 11 additions and 8 deletions
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@ -640,6 +640,7 @@ iso_callback(struct fw_iso_context *context, u32 cycle,
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static int ioctl_create_iso_context(struct client *client, void *buffer)
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{
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struct fw_cdev_create_iso_context *request = buffer;
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struct fw_iso_context *context;
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if (request->channel > 63)
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return -EINVAL;
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@ -661,15 +662,17 @@ static int ioctl_create_iso_context(struct client *client, void *buffer)
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return -EINVAL;
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}
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context = fw_iso_context_create(client->device->card,
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request->type,
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request->channel,
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request->speed,
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request->header_size,
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iso_callback, client);
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if (IS_ERR(context))
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return PTR_ERR(context);
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client->iso_closure = request->closure;
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client->iso_context = fw_iso_context_create(client->device->card,
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request->type,
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request->channel,
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request->speed,
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request->header_size,
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iso_callback, client);
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if (IS_ERR(client->iso_context))
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return PTR_ERR(client->iso_context);
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client->iso_context = context;
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/* We only support one context at this time. */
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request->handle = 0;
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