Messages in this thread Patch in this message | | | Date | Thu, 1 May 2008 04:10:02 +0400 | From | Alexey Dobriyan <> | Subject | ACPI vs proc_create_data() mismerge (was Re: proc_dir_entry 'info' already registered) |
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On Wed, Apr 30, 2008 at 10:38:07PM +0000, Justin Mattock wrote: > Hello, attached is dmesg of proc_dir_entry 'info' already registered; > whatever that means. Hopefully this is not that important, just a glitch. > Also I know I should'nt talk about 3rd party modules, but with the > latest git, it breaks fglrx.
ACPI vs proc_create_data() mismerge.
acpi_device_dir() is NULL until all files are createst, so everyting is created in straight in /proc/ and creation code warns.
Carefully try patch below, I almost sent totally bogus version.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> ---
--- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -1070,7 +1070,7 @@ static int acpi_video_device_add_fs(struct acpi_device *device) device_dir->owner = THIS_MODULE; /* 'info' [R] */ - entry = proc_create_data("info", S_IRUGO, acpi_device_dir(device), + entry = proc_create_data("info", S_IRUGO, device_dir, &acpi_video_device_info_fops, acpi_driver_data(device)); if (!entry) goto err_remove_dir; @@ -1078,7 +1078,7 @@ static int acpi_video_device_add_fs(struct acpi_device *device) /* 'state' [R/W] */ acpi_video_device_state_fops.write = acpi_video_device_write_state; entry = proc_create_data("state", S_IFREG | S_IRUGO | S_IWUSR, - acpi_device_dir(device), + device_dir, &acpi_video_device_state_fops, acpi_driver_data(device)); if (!entry) @@ -1088,19 +1088,21 @@ static int acpi_video_device_add_fs(struct acpi_device *device) acpi_video_device_brightness_fops.write = acpi_video_device_write_brightness; entry = proc_create_data("brightness", S_IFREG | S_IRUGO | S_IWUSR, - acpi_device_dir(device), + device_dir, &acpi_video_device_brightness_fops, acpi_driver_data(device)); if (!entry) goto err_remove_state; /* 'EDID' [R] */ - entry = proc_create_data("EDID", S_IRUGO, acpi_device_dir(device), + entry = proc_create_data("EDID", S_IRUGO, device_dir, &acpi_video_device_EDID_fops, acpi_driver_data(device)); if (!entry) goto err_remove_brightness; + acpi_device_dir(device) = device_dir; + return 0; err_remove_brightness: @@ -1346,21 +1348,21 @@ static int acpi_video_bus_add_fs(struct acpi_device *device) device_dir->owner = THIS_MODULE; /* 'info' [R] */ - entry = proc_create_data("info", S_IRUGO, acpi_device_dir(device), + entry = proc_create_data("info", S_IRUGO, device_dir, &acpi_video_bus_info_fops, acpi_driver_data(device)); if (!entry) goto err_remove_dir; /* 'ROM' [R] */ - entry = proc_create_data("ROM", S_IRUGO, acpi_device_dir(device), + entry = proc_create_data("ROM", S_IRUGO, device_dir, &acpi_video_bus_ROM_fops, acpi_driver_data(device)); if (!entry) goto err_remove_info; /* 'POST_info' [R] */ - entry = proc_create_data("POST_info", S_IRUGO, acpi_device_dir(device), + entry = proc_create_data("POST_info", S_IRUGO, device_dir, &acpi_video_bus_POST_info_fops, acpi_driver_data(device)); if (!entry) @@ -1369,7 +1371,7 @@ static int acpi_video_bus_add_fs(struct acpi_device *device) /* 'POST' [R/W] */ acpi_video_bus_POST_fops.write = acpi_video_bus_write_POST; entry = proc_create_data("POST", S_IFREG | S_IRUGO | S_IWUSR, - acpi_device_dir(device), + device_dir, &acpi_video_bus_POST_fops, acpi_driver_data(device)); if (!entry) @@ -1378,7 +1380,7 @@ static int acpi_video_bus_add_fs(struct acpi_device *device) /* 'DOS' [R/W] */ acpi_video_bus_DOS_fops.write = acpi_video_bus_write_DOS; entry = proc_create_data("DOS", S_IFREG | S_IRUGO | S_IWUSR, - acpi_device_dir(device), + device_dir, &acpi_video_bus_DOS_fops, acpi_driver_data(device)); if (!entry)
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