2017-06-25 21:39:38

by AbdAllah-MEZITI

Subject: [PATCH] staging: sm750fb: always take the lock

Signed-off-by: AbdAllah MEZITI <[email protected]>
---
drivers/staging/sm750fb/sm750.c | 18 ++++++------------
1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/staging/sm750fb/sm750.c b/drivers/staging/sm750fb/sm750.c
index 386d4ad..4a22190 100644
--- a/drivers/staging/sm750fb/sm750.c
+++ b/drivers/staging/sm750fb/sm750.c
@@ -186,16 +186,14 @@ static void lynxfb_ops_fillrect(struct fb_info *info,
* If not use spin_lock,system will die if user load driver
* and immediately unload driver frequently (dual)
*/
- if (sm750_dev->fb_count > 1)
- spin_lock(&sm750_dev->slock);
+ spin_lock(&sm750_dev->slock);

sm750_dev->accel.de_fillrect(&sm750_dev->accel,
base, pitch, Bpp,
region->dx, region->dy,
region->width, region->height,
color, rop);
- if (sm750_dev->fb_count > 1)
- spin_unlock(&sm750_dev->slock);
+ spin_unlock(&sm750_dev->slock);
}

static void lynxfb_ops_copyarea(struct fb_info *info,
@@ -220,16 +218,14 @@ static void lynxfb_ops_copyarea(struct fb_info *info,
* If not use spin_lock, system will die if user load driver
* and immediately unload driver frequently (dual)
*/
- if (sm750_dev->fb_count > 1)
- spin_lock(&sm750_dev->slock);
+ spin_lock(&sm750_dev->slock);

sm750_dev->accel.de_copyarea(&sm750_dev->accel,
base, pitch, region->sx, region->sy,
base, pitch, Bpp, region->dx, region->dy,
region->width, region->height,
HW_ROP2_COPY);
- if (sm750_dev->fb_count > 1)
- spin_unlock(&sm750_dev->slock);
+ spin_unlock(&sm750_dev->slock);
}

static void lynxfb_ops_imageblit(struct fb_info *info,
@@ -269,8 +265,7 @@ static void lynxfb_ops_imageblit(struct fb_info *info,
* If not use spin_lock, system will die if user load driver
* and immediately unload driver frequently (dual)
*/
- if (sm750_dev->fb_count > 1)
- spin_lock(&sm750_dev->slock);
+ spin_lock(&sm750_dev->slock);

sm750_dev->accel.de_imageblit(&sm750_dev->accel,
image->data, image->width >> 3, 0,
@@ -278,8 +273,7 @@ static void lynxfb_ops_imageblit(struct fb_info *info,
image->dx, image->dy,
image->width, image->height,
fgcol, bgcol, HW_ROP2_COPY);
- if (sm750_dev->fb_count > 1)
- spin_unlock(&sm750_dev->slock);
+ spin_unlock(&sm750_dev->slock);
}

static int lynxfb_ops_pan_display(struct fb_var_screeninfo *var,
--
2.7.4

2017-06-26 04:55:44

by Greg Kroah-Hartman

Subject: Re: [PATCH] staging: sm750fb: always take the lock

On Sun, Jun 25, 2017 at 11:39:20PM +0200, AbdAllah-MEZITI wrote:
> Signed-off-by: AbdAllah MEZITI <[email protected]>

I can't take patches without any changelog text, sorry.

greg k-h

2017-06-26 06:25:52

by Frans Klaver

Subject: Re: [PATCH] staging: sm750fb: always take the lock

On Sun, Jun 25, 2017 at 11:39 PM, AbdAllah-MEZITI
<[email protected]> wrote:
> Subject: [PATCH] staging: sm750fb: always take the lock

When sending a new version of your patch, include a version number:

Subject: [PATCH V2] staging: ...

Frans