diff mbox

staging: sm750fb: always take the lock

Message ID 1498426764-14913-1-git-send-email-abdallah.meziti.pro@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

AbdAllah-MEZITI June 25, 2017, 9:39 p.m. UTC 
Signed-off-by: AbdAllah MEZITI <abdallah.meziti.pro@gmail.com>
---
 drivers/staging/sm750fb/sm750.c | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

Comments

Greg KH June 26, 2017, 4:55 a.m. UTC | #1 
On Sun, Jun 25, 2017 at 11:39:20PM +0200, AbdAllah-MEZITI wrote:
> Signed-off-by: AbdAllah MEZITI <abdallah.meziti.pro@gmail.com>

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

greg k-h
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Frans Klaver June 26, 2017, 6:25 a.m. UTC | #2 
On Sun, Jun 25, 2017 at 11:39 PM, AbdAllah-MEZITI
<abdallah.meziti.pro@gmail.com> 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
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diff mbox

Patch

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,