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Merge branch 'fbdev-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-2.6

* 'fbdev-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-2.6:
  mailmap: Add an entry for Axel Lin.
  video: fix some comments in drivers/video/console/vgacon.c
  drivers/video/bf537-lq035.c: Add missing IS_ERR test
  video: pxa168fb: remove a redundant pxa168fb_check_var call
  video: da8xx-fb: fix fb_probe error path
  video: pxa3xx-gcu: Return -EFAULT when copy_from_user() fails
  video: nuc900fb: properly free resources in nuc900fb_remove
  video: nuc900fb: fix compile error
Linus Torvalds 14 years ago
parent
commit
9948d378b9

+ 1 - 0
.mailmap

@@ -23,6 +23,7 @@ Andy Adamson <andros@citi.umich.edu>
 Arnaud Patard <arnaud.patard@rtp-net.org>
 Arnd Bergmann <arnd@arndb.de>
 Axel Dyks <xl@xlsigned.net>
+Axel Lin <axel.lin@gmail.com>
 Ben Gardner <bgardner@wabtec.com>
 Ben M Cahill <ben.m.cahill@intel.com>
 Björn Steinbrink <B.Steinbrink@gmx.de>

+ 33 - 25
drivers/video/bf537-lq035.c

@@ -696,6 +696,7 @@ static int __devinit bfin_lq035_probe(struct platform_device *pdev)
 {
 	struct backlight_properties props;
 	dma_addr_t dma_handle;
+	int ret;
 
 	if (request_dma(CH_PPI, KBUILD_MODNAME)) {
 		pr_err("couldn't request PPI DMA\n");
@@ -704,17 +705,16 @@ static int __devinit bfin_lq035_probe(struct platform_device *pdev)
 
 	if (request_ports()) {
 		pr_err("couldn't request gpio port\n");
-		free_dma(CH_PPI);
-		return -EFAULT;
+		ret = -EFAULT;
+		goto out_ports;
 	}
 
 	fb_buffer = dma_alloc_coherent(NULL, TOTAL_VIDEO_MEM_SIZE,
 				       &dma_handle, GFP_KERNEL);
 	if (fb_buffer == NULL) {
 		pr_err("couldn't allocate dma buffer\n");
-		free_dma(CH_PPI);
-		free_ports();
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto out_dma_coherent;
 	}
 
 	if (L1_DATA_A_LENGTH)
@@ -725,10 +725,8 @@ static int __devinit bfin_lq035_probe(struct platform_device *pdev)
 
 	if (dma_desc_table == NULL) {
 		pr_err("couldn't allocate dma descriptor\n");
-		free_dma(CH_PPI);
-		free_ports();
-		dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0);
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto out_table;
 	}
 
 	bfin_lq035_fb.screen_base = (void *)fb_buffer;
@@ -771,31 +769,21 @@ static int __devinit bfin_lq035_probe(struct platform_device *pdev)
 	bfin_lq035_fb.pseudo_palette = kzalloc(sizeof(u32) * 16, GFP_KERNEL);
 	if (bfin_lq035_fb.pseudo_palette == NULL) {
 		pr_err("failed to allocate pseudo_palette\n");
-		free_dma(CH_PPI);
-		free_ports();
-		dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0);
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto out_palette;
 	}
 
 	if (fb_alloc_cmap(&bfin_lq035_fb.cmap, NBR_PALETTE, 0) < 0) {
 		pr_err("failed to allocate colormap (%d entries)\n",
 			NBR_PALETTE);
-		free_dma(CH_PPI);
-		free_ports();
-		dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0);
-		kfree(bfin_lq035_fb.pseudo_palette);
-		return -EFAULT;
+		ret = -EFAULT;
+		goto out_cmap;
 	}
 
 	if (register_framebuffer(&bfin_lq035_fb) < 0) {
 		pr_err("unable to register framebuffer\n");
-		free_dma(CH_PPI);
-		free_ports();
-		dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0);
-		fb_buffer = NULL;
-		kfree(bfin_lq035_fb.pseudo_palette);
-		fb_dealloc_cmap(&bfin_lq035_fb.cmap);
-		return -EINVAL;
+		ret = -EINVAL;
+		goto out_reg;
 	}
 
 	i2c_add_driver(&ad5280_driver);
@@ -807,11 +795,31 @@ static int __devinit bfin_lq035_probe(struct platform_device *pdev)
 
 	lcd_dev = lcd_device_register(KBUILD_MODNAME, &pdev->dev, NULL,
 				      &bfin_lcd_ops);
+	if (IS_ERR(lcd_dev)) {
+		pr_err("unable to register lcd\n");
+		ret = PTR_ERR(lcd_dev);
+		goto out_lcd;
+	}
 	lcd_dev->props.max_contrast = 255,
 
 	pr_info("initialized");
 
 	return 0;
+out_lcd:
+	unregister_framebuffer(&bfin_lq035_fb);
+out_reg:
+	fb_dealloc_cmap(&bfin_lq035_fb.cmap);
+out_cmap:
+	kfree(bfin_lq035_fb.pseudo_palette);
+out_palette:
+out_table:
+	dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0);
+	fb_buffer = NULL;
+out_dma_coherent:
+	free_ports();
+out_ports:
+	free_dma(CH_PPI);
+	return ret;
 }
 
 static int __devexit bfin_lq035_remove(struct platform_device *pdev)

+ 1 - 5
drivers/video/console/vgacon.c

@@ -202,11 +202,7 @@ static void vgacon_scrollback_init(int pitch)
 	}
 }
 
-/*
- * Called only duing init so call of alloc_bootmen is ok.
- * Marked __init_refok to silence modpost.
- */
-static void __init_refok vgacon_scrollback_startup(void)
+static void vgacon_scrollback_startup(void)
 {
 	vgacon_scrollback = kcalloc(CONFIG_VGACON_SOFT_SCROLLBACK_SIZE, 1024, GFP_NOWAIT);
 	vgacon_scrollback_init(vga_video_num_columns * 2);

+ 2 - 1
drivers/video/da8xx-fb.c

@@ -1092,9 +1092,10 @@ static int __init fb_probe(struct platform_device *device)
 
 irq_freq:
 #ifdef CONFIG_CPU_FREQ
+	lcd_da8xx_cpufreq_deregister(par);
+#endif
 err_cpu_freq:
 	unregister_framebuffer(da8xx_fb_info);
-#endif
 
 err_dealloc_cmap:
 	fb_dealloc_cmap(&da8xx_fb_info->cmap);

+ 4 - 2
drivers/video/nuc900fb.c

@@ -696,6 +696,8 @@ static int nuc900fb_remove(struct platform_device *pdev)
 	nuc900fb_stop_lcd(fbinfo);
 	msleep(1);
 
+	unregister_framebuffer(fbinfo);
+	nuc900fb_cpufreq_deregister(fbi);
 	nuc900fb_unmap_video_memory(fbinfo);
 
 	iounmap(fbi->io);
@@ -723,7 +725,7 @@ static int nuc900fb_suspend(struct platform_device *dev, pm_message_t state)
 	struct fb_info	   *fbinfo = platform_get_drvdata(dev);
 	struct nuc900fb_info *info = fbinfo->par;
 
-	nuc900fb_stop_lcd();
+	nuc900fb_stop_lcd(fbinfo);
 	msleep(1);
 	clk_disable(info->clk);
 	return 0;
@@ -740,7 +742,7 @@ static int nuc900fb_resume(struct platform_device *dev)
 	msleep(1);
 
 	nuc900fb_init_registers(fbinfo);
-	nuc900fb_activate_var(bfinfo);
+	nuc900fb_activate_var(fbinfo);
 
 	return 0;
 }

+ 1 - 5
drivers/video/pxa168fb.c

@@ -701,16 +701,12 @@ static int __devinit pxa168fb_probe(struct platform_device *pdev)
 	 */
 	pxa168fb_init_mode(info, mi);
 
-	ret = pxa168fb_check_var(&info->var, info);
-	if (ret)
-		goto failed_free_fbmem;
-
 	/*
 	 * Fill in sane defaults.
 	 */
 	ret = pxa168fb_check_var(&info->var, info);
 	if (ret)
-		goto failed;
+		goto failed_free_fbmem;
 
 	/*
 	 * enable controller clock

+ 2 - 2
drivers/video/pxa3xx-gcu.c

@@ -1,5 +1,5 @@
 /*
- *  pxa3xx-gc.c - Linux kernel module for PXA3xx graphics controllers
+ *  pxa3xx-gcu.c - Linux kernel module for PXA3xx graphics controllers
  *
  *  This driver needs a DirectFB counterpart in user space, communication
  *  is handled via mmap()ed memory areas and an ioctl.
@@ -421,7 +421,7 @@ pxa3xx_gcu_misc_write(struct file *filp, const char *buff,
 		buffer->next = priv->free;
 		priv->free = buffer;
 		spin_unlock_irqrestore(&priv->spinlock, flags);
-		return ret;
+		return -EFAULT;
 	}
 
 	buffer->length = words;