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GenWQE: Change default access rights for device node

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Since it should always be ok for normal users to operate the accelerator,
it makes sense to change it in our driver, rather than adding udev rules
for all Linux distributions.

Signed-off-by: Frank Haverkamp <haver@linux.vnet.ibm.com>
Reviewed-by: Gabriel Krisman Bertazi <krisman@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Frank Haverkamp 2016-06-29 15:47:43 +02:00 committed by Greg Kroah-Hartman
parent d6a38c0ba7
commit 5ed22cebba
1 changed files with 15 additions and 0 deletions
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15
drivers/misc/genwqe/card_base.c
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@ -1350,6 +1350,19 @@ static struct pci_driver genwqe_driver = {
.err_handler = &genwqe_err_handler,
};
/**
* genwqe_devnode() - Set default access mode for genwqe devices.
*
* Default mode should be rw for everybody. Do not change default
* device name.
*/
static char *genwqe_devnode(struct device *dev, umode_t *mode)
{
if (mode)
*mode = 0666;
return NULL;
}
/**
* genwqe_init_module() - Driver registration and initialization
*/
@ -1363,6 +1376,8 @@ static int __init genwqe_init_module(void)
return -ENOMEM;
}
class_genwqe->devnode = genwqe_devnode;
debugfs_genwqe = debugfs_create_dir(GENWQE_DEVNAME, NULL);
if (!debugfs_genwqe) {
rc = -ENOMEM;