linux-kernel - [PATCH 7/8] video: fbdev: au1200fb: Propagate an error code

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Date:   Mon, 16 Oct 2017 21:04:53 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     b.zolnierkie@...sung.com, tj@...nel.org
Cc:     dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH 7/8] video: fbdev: au1200fb: Propagate an error code

We should propagate the error code returned by 'fb_alloc_cmap()' instead
of returning -EFAULT.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/video/fbdev/au1200fb.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/video/fbdev/au1200fb.c b/drivers/video/fbdev/au1200fb.c
index 970ce761ff89..687ea2a8f810 100644
--- a/drivers/video/fbdev/au1200fb.c
+++ b/drivers/video/fbdev/au1200fb.c
@@ -1518,7 +1518,7 @@ static irqreturn_t au1200fb_handle_irq(int irq, void* dev_id)
 static int au1200fb_init_fbinfo(struct au1200fb_device *fbdev)
 {
 	struct fb_info *fbi = fbdev->fb_info;
-	int bpp;
+	int bpp, ret;
 
 	fbi->fbops = &au1200fb_fb_ops;
 
@@ -1550,10 +1550,11 @@ static int au1200fb_init_fbinfo(struct au1200fb_device *fbdev)
 		return -ENOMEM;
 	}
 
-	if (fb_alloc_cmap(&fbi->cmap, AU1200_LCD_NBR_PALETTE_ENTRIES, 0) < 0) {
+	ret = fb_alloc_cmap(&fbi->cmap, AU1200_LCD_NBR_PALETTE_ENTRIES, 0);
+	if (ret < 0) {
 		print_err("Fail to allocate colormap (%d entries)",
 			   AU1200_LCD_NBR_PALETTE_ENTRIES);
-		return -EFAULT;
+		return ret;
 	}
 
 	strncpy(fbi->fix.id, "AU1200", sizeof(fbi->fix.id));
-- 
2.11.0