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authorMauro Carvalho Chehab <[email protected]>2014-04-14 12:00:36 -0300
committerMauro Carvalho Chehab <[email protected]>2014-04-14 12:00:36 -0300
commit277a163c83d7ba93fba1e8980d29a9f8bfcfba6c (patch)
treeccfd357d152292958957b6b8a993892e7a8cc95f /drivers/hid/hidraw.c
parenta83b93a7480441a47856dc9104bea970e84cda87 (diff)
parentc9eaa447e77efe77b7fa4c953bd62de8297fd6c5 (diff)
Merge tag 'v3.15-rc1' into patchwork
Linux 3.15-rc1 * tag 'v3.15-rc1': (12180 commits) Linux 3.15-rc1 mm: Initialize error in shmem_file_aio_read() cifs: Use min_t() when comparing "size_t" and "unsigned long" sym53c8xx_2: Set DID_REQUEUE return code when aborting squeue powerpc: Don't try to set LPCR unless we're in hypervisor mode futex: update documentation for ordering guarantees ceph: fix pr_fmt() redefinition vti: don't allow to add the same tunnel twice gre: don't allow to add the same tunnel twice drivers: net: xen-netfront: fix array initialization bug missing bits of "splice: fix racy pipe->buffers uses" cifs: fix the race in cifs_writev() ceph_sync_{,direct_}write: fix an oops on ceph_osdc_new_request() failure pktgen: be friendly to LLTX devices r8152: check RTL8152_UNPLUG net: sun4i-emac: add promiscuous support net/apne: replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO blackfin: cleanup board files bf609: clock: drop unused clock bit set/clear functions Blackfin: bf537: rename "CONFIG_ADT75" ...
Diffstat (limited to 'drivers/hid/hidraw.c')
-rw-r--r--drivers/hid/hidraw.c31
1 files changed, 21 insertions, 10 deletions
diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c
index cb0137b3718d..9c2d7c23f296 100644
--- a/drivers/hid/hidraw.c
+++ b/drivers/hid/hidraw.c
@@ -123,10 +123,6 @@ static ssize_t hidraw_send_report(struct file *file, const char __user *buffer,
dev = hidraw_table[minor]->hid;
- if (!dev->hid_output_raw_report) {
- ret = -ENODEV;
- goto out;
- }
if (count > HID_MAX_BUFFER_SIZE) {
hid_warn(dev, "pid %d passed too large report\n",
@@ -153,7 +149,21 @@ static ssize_t hidraw_send_report(struct file *file, const char __user *buffer,
goto out_free;
}
- ret = dev->hid_output_raw_report(dev, buf, count, report_type);
+ if ((report_type == HID_OUTPUT_REPORT) &&
+ !(dev->quirks & HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP)) {
+ ret = hid_hw_output_report(dev, buf, count);
+ /*
+ * compatibility with old implementation of USB-HID and I2C-HID:
+ * if the device does not support receiving output reports,
+ * on an interrupt endpoint, fallback to SET_REPORT HID command.
+ */
+ if (ret != -ENOSYS)
+ goto out_free;
+ }
+
+ ret = hid_hw_raw_request(dev, buf[0], buf, count, report_type,
+ HID_REQ_SET_REPORT);
+
out_free:
kfree(buf);
out:
@@ -189,7 +199,7 @@ static ssize_t hidraw_get_report(struct file *file, char __user *buffer, size_t
dev = hidraw_table[minor]->hid;
- if (!dev->hid_get_raw_report) {
+ if (!dev->ll_driver->raw_request) {
ret = -ENODEV;
goto out;
}
@@ -216,14 +226,15 @@ static ssize_t hidraw_get_report(struct file *file, char __user *buffer, size_t
/*
* Read the first byte from the user. This is the report number,
- * which is passed to dev->hid_get_raw_report().
+ * which is passed to hid_hw_raw_request().
*/
if (copy_from_user(&report_number, buffer, 1)) {
ret = -EFAULT;
goto out_free;
}
- ret = dev->hid_get_raw_report(dev, report_number, buf, count, report_type);
+ ret = hid_hw_raw_request(dev, report_number, buf, count, report_type,
+ HID_REQ_GET_REPORT);
if (ret < 0)
goto out_free;
@@ -320,13 +331,13 @@ static void drop_ref(struct hidraw *hidraw, int exists_bit)
hid_hw_close(hidraw->hid);
wake_up_interruptible(&hidraw->wait);
}
+ device_destroy(hidraw_class,
+ MKDEV(hidraw_major, hidraw->minor));
} else {
--hidraw->open;
}
if (!hidraw->open) {
if (!hidraw->exist) {
- device_destroy(hidraw_class,
- MKDEV(hidraw_major, hidraw->minor));
hidraw_table[hidraw->minor] = NULL;
kfree(hidraw);
} else {