Hi Anders,
> Signed-off-by: Anders Blomdell <[email protected]>
>
> Minor modifications to make the example load and unload without Oops
>
> This is what unpatched version generates with 2.6.21.3
>
> kernel: Oops: 0000 [#2]
> ...
> kernel: Call Trace:
> kernel: [<c04ae541>] sysfs_create_dir+0x49/0x63
> kernel: [<c04e76ae>] kobject_shadow_add+0xd5/0x17d
> kernel: [<c04e7908>] kobject_set_name+0x2b/0x92
> kernel: [<c0556444>] device_add+0x9a/0x58e
> kernel: [<c0620b65>] klist_init+0x23/0x2e
> kernel: [<c055bfee>] _request_firmware+0x116/0x29f
> kernel: [<c062149f>] wait_for_completion+0x8b/0x93
> kernel: [<c055c20b>] request_firmware+0xf/0x11
> kernel: [<e09420d9>] sample_init+0x59/0xc0 [firmware_sample_driver]
> kernel: [<c0446c92>] sys_init_module+0x16b7/0x17ee
> kernel: [<c04294de>] printk+0x0/0x1f
> kernel: [<c0488436>] mntput_no_expire+0x11/0x6e
> kernel: [<c0404fa8>] syscall_call+0x7/0xb
>
>
>
> diff -u Documentation/firmware_class/firmware_sample_driver.c
> /tmp/fw/firmware_sample_driver.c
> --- Documentation/firmware_class/firmware_sample_driver.c 2007-05-24
> 23:22:47.000000000 +0200
> +++ /tmp/fw/firmware_sample_driver.c 2007-06-27 16:51:16.000000000 +0200
> @@ -15,11 +15,16 @@
>
> #include "linux/firmware.h"
>
> +static void ghost_release(struct device *dev)
> +{
> + printk(KERN_DEBUG "firmware_sample_driver: ghost_release\n");
> +}
> +
I know it is a sample driver, but you can't do that. You have to
allocate the device and then free it here.
Regards
Marcel
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