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Message-ID: <20130326090452.01550c37@redhat.com>
Date: Tue, 26 Mar 2013 09:04:52 -0300
From: Mauro Carvalho Chehab <mchehab@...hat.com>
To: Stephen Rothwell <sfr@...b.auug.org.au>
Cc: linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
Hans Verkuil <hans.verkuil@...co.com>, Greg KH <greg@...ah.com>
Subject: Re: linux-next: build failure after merge of the final tree
(v4l-dvb tree related)
Em Tue, 26 Mar 2013 17:18:47 +1100
Stephen Rothwell <sfr@...b.auug.org.au> escreveu:
> Hi all,
>
> After merging the final tree, today's linux-next build (powerpc
> allyesconfig) failed like this:
>
> drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c: In function 'solo_enc_default':
> drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c:1031:7: error: case label does not reduce to an integer constant
> drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c:1035:7: error: case label does not reduce to an integer constant
>
> I am not sure why this has suddenly appeared, but I have disabled the
> driver for now using this patch:
Well, solo6x10 didn't use to have its own private ioctl's until now.
Still, that's strange, as there are other drivers also using vidioc_default.
I suspect that those _IO* have its highest bit equal to 1 on powerpc
being too big for int. If so, the enclosed patch should fix.
I'm still wandering why it didn't cause any compilation problems here.
Ok, I didn't try to compile it on powerpc, but still integers have 32
bits on ppc, right?
Anyway, could you please try the enclosed patch?
-
[PATCH] [media] ioctl numbers are unsigned int
As reported by Stephen Rothwell <sfr@...b.auug.org.au>:
> drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c: In function 'solo_enc_default':
> drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c:1031:7: error: case label does not reduce to an integer constant
> drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c:1035:7: error: case label does not reduce to an integer constant
Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
Signed-off-by: Mauro Carvalho Chehab <mchehab@...hat.com>
diff --git a/drivers/media/pci/cx18/cx18-ioctl.c b/drivers/media/pci/cx18/cx18-ioctl.c
index 7dbd5a9..aee7b6d 100644
--- a/drivers/media/pci/cx18/cx18-ioctl.c
+++ b/drivers/media/pci/cx18/cx18-ioctl.c
@@ -1110,7 +1110,7 @@ static int cx18_log_status(struct file *file, void *fh)
}
static long cx18_default(struct file *file, void *fh, bool valid_prio,
- int cmd, void *arg)
+ unsigned int cmd, void *arg)
{
struct cx18 *cx = fh2id(fh)->cx;
diff --git a/drivers/media/pci/ivtv/ivtv-ioctl.c b/drivers/media/pci/ivtv/ivtv-ioctl.c
index 50379b2..9cbbce0 100644
--- a/drivers/media/pci/ivtv/ivtv-ioctl.c
+++ b/drivers/media/pci/ivtv/ivtv-ioctl.c
@@ -1807,7 +1807,7 @@ static int ivtv_decoder_ioctls(struct file *filp, unsigned int cmd, void *arg)
}
static long ivtv_default(struct file *file, void *fh, bool valid_prio,
- int cmd, void *arg)
+ unsigned int cmd, void *arg)
{
struct ivtv *itv = fh2id(fh)->itv;
diff --git a/drivers/media/pci/meye/meye.c b/drivers/media/pci/meye/meye.c
index 7859c43..2381b05 100644
--- a/drivers/media/pci/meye/meye.c
+++ b/drivers/media/pci/meye/meye.c
@@ -1410,7 +1410,7 @@ static int vidioc_streamoff(struct file *file, void *fh, enum v4l2_buf_type i)
}
static long vidioc_default(struct file *file, void *fh, bool valid_prio,
- int cmd, void *arg)
+ unsigned int cmd, void *arg)
{
switch (cmd) {
case MEYEIOC_G_PARAMS:
diff --git a/drivers/media/platform/davinci/vpfe_capture.c b/drivers/media/platform/davinci/vpfe_capture.c
index 20db8a0..8c50d30 100644
--- a/drivers/media/platform/davinci/vpfe_capture.c
+++ b/drivers/media/platform/davinci/vpfe_capture.c
@@ -1686,7 +1686,7 @@ unlock_out:
static long vpfe_param_handler(struct file *file, void *priv,
- bool valid_prio, int cmd, void *param)
+ bool valid_prio, unsigned int cmd, void *param)
{
struct vpfe_device *vpfe_dev = video_drvdata(file);
int ret = 0;
diff --git a/drivers/media/radio/radio-si4713.c b/drivers/media/radio/radio-si4713.c
index 2a2d21e..38b3f15 100644
--- a/drivers/media/radio/radio-si4713.c
+++ b/drivers/media/radio/radio-si4713.c
@@ -222,7 +222,7 @@ static int radio_si4713_s_frequency(struct file *file, void *p,
}
static long radio_si4713_default(struct file *file, void *p,
- bool valid_prio, int cmd, void *arg)
+ bool valid_prio, unsigned int cmd, void *arg)
{
return v4l2_device_call_until_err(get_v4l2_dev(file), 0, core,
ioctl, cmd, arg);
diff --git a/drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c b/drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c
index 39a8fb2..6c7d20f 100644
--- a/drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c
+++ b/drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c
@@ -1021,7 +1021,7 @@ static int solo_s_parm(struct file *file, void *priv,
}
static long solo_enc_default(struct file *file, void *fh,
- bool valid_prio, int cmd, void *arg)
+ bool valid_prio, unsigned int cmd, void *arg)
{
struct solo_enc_dev *solo_enc = video_drvdata(file);
struct solo_dev *solo_dev = solo_enc->solo_dev;
diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h
index 75a7dfc..b273f0e 100644
--- a/include/media/v4l2-ioctl.h
+++ b/include/media/v4l2-ioctl.h
@@ -275,7 +275,7 @@ struct v4l2_ioctl_ops {
/* For other private ioctls */
long (*vidioc_default) (struct file *file, void *fh,
- bool valid_prio, int cmd, void *arg);
+ bool valid_prio, unsigned int cmd, void *arg);
};
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