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Groups > linux.kernel > #1602445

[PATCH 4.9 42/44] [media] rc: raw decoder for keymap protocol is not loaded on register

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4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Sean Young <sean@mess.org>

commit 413808685dd7c9b54bbc5af79da2eaddd0fc3cb2 upstream.

When the protocol is set via the sysfs protocols attribute, the
decoder is loaded. However, when it is not when a device is first
plugged in or registered.

Fixes: acc1c3c ("[media] media: rc: load decoder modules on-demand")

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>


---
 drivers/media/rc/rc-main.c |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

--- a/drivers/media/rc/rc-main.c
+++ b/drivers/media/rc/rc-main.c
@@ -1411,6 +1411,7 @@ int rc_register_device(struct rc_dev *de
 	int attr = 0;
 	int minor;
 	int rc;
+	u64 rc_type;
 
 	if (!dev || !dev->map_name)
 		return -EINVAL;
@@ -1496,14 +1497,18 @@ int rc_register_device(struct rc_dev *de
 			goto out_input;
 	}
 
+	rc_type = BIT_ULL(rc_map->rc_type);
+
 	if (dev->change_protocol) {
-		u64 rc_type = (1ll << rc_map->rc_type);
 		rc = dev->change_protocol(dev, &rc_type);
 		if (rc < 0)
 			goto out_raw;
 		dev->enabled_protocols = rc_type;
 	}
 
+	if (dev->driver_type == RC_DRIVER_IR_RAW)
+		ir_raw_load_modules(&rc_type);
+
 	/* Allow the RC sysfs nodes to be accessible */
 	atomic_set(&dev->initialized, 1);
 

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[PATCH 4.9 00/44] 4.9.16-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-16 16:00 +0100
  [PATCH 4.9 42/44] [media] rc: raw decoder for keymap protocol is not loaded on register Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-16 16:00 +0100
  [PATCH 4.9 31/44] usb: host: xhci-plat: Fix timeout on removal of hot pluggable xhci controllers Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-16 16:00 +0100
  [PATCH 4.9 25/44] usb: dwc3: gadget: make Set Endpoint Configuration macros safe Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-16 16:00 +0100
  [PATCH 4.9 27/44] usb: ohci-at91: Do not drop unhandled USB suspend control requests Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-16 16:00 +0100
  [PATCH 4.9 23/44] PCI: Prevent VPD access for QLogic ISP2722 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-16 16:00 +0100
  [PATCH 4.9 18/44] efi/arm: Fix boot crash with CONFIG_CPUMASK_OFFSTACK=y Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-16 16:10 +0100
  [PATCH 4.9 17/44] ucount: Remove the atomicity from ucount->count Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-16 16:10 +0100
  [PATCH 4.9 16/44] tracing: Add #undef to fix compile error Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-16 16:10 +0100
  [PATCH 4.9 15/44] cpmac: remove hopeless #warning Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-16 16:10 +0100
  [PATCH 4.9 22/44] powerpc/xics: Work around limitations of OPAL XICS priority handling Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-16 16:10 +0100
  [PATCH 4.9 10/44] mtd: pmcmsp: use kstrndup instead of kmalloc+strncpy Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-16 16:10 +0100
  [PATCH 4.9 24/44] usb: gadget: dummy_hcd: clear usb_gadget region before registration Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-16 16:10 +0100
  [PATCH 4.9 12/44] MIPS: ralink: Remove unused timer functions Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-16 16:10 +0100
  [PATCH 4.9 14/44] bcm63xx_enet: avoid uninitialized variable warning Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-16 16:10 +0100
  [PATCH 4.9 11/44] MIPS: ralink: Cosmetic change to prom_init(). Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-16 16:10 +0100
  [PATCH 4.9 02/44] USB: serial: digi_acceleport: fix OOB-event processing Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-16 16:10 +0100
  Re: [PATCH 4.9 00/44] 4.9.16-stable review Shuah Khan <shuahkh@osg.samsung.com> - 2017-03-16 20:40 +0100
  Re: [PATCH 4.9 00/44] 4.9.16-stable review Guenter Roeck <linux@roeck-us.net> - 2017-03-16 23:40 +0100

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