From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anatolij Gustschin Date: Fri, 13 May 2011 15:54:45 +0000 Subject: [PATCH 1/5] video: mb862xxfb: correct fix.smem_len field initialization Message-Id: <1305302089-7666-2-git-send-email-agust@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-fbdev@vger.kernel.org Initialize smem_len field to the actual frame buffer size and not to the whole video RAM size. This prevents overwriting other video memory (which could be used by other layers, cursors or accelerated drivers) by frame buffer applications relying on fix.smem_len. Signed-off-by: Anatolij Gustschin --- drivers/video/mb862xx/mb862xxfb.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/video/mb862xx/mb862xxfb.c b/drivers/video/mb862xx/mb862xxfb.c index c76e663..8257958 100644 --- a/drivers/video/mb862xx/mb862xxfb.c +++ b/drivers/video/mb862xx/mb862xxfb.c @@ -336,7 +336,6 @@ static int mb862xxfb_init_fbinfo(struct fb_info *fbi) strcpy(fbi->fix.id, DRV_NAME); fbi->fix.smem_start = (unsigned long)par->fb_base_phys; - fbi->fix.smem_len = par->mapped_vram; fbi->fix.mmio_start = (unsigned long)par->mmio_base_phys; fbi->fix.mmio_len = par->mmio_len; fbi->fix.accel = FB_ACCEL_NONE; @@ -420,6 +419,7 @@ static int mb862xxfb_init_fbinfo(struct fb_info *fbi) FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR; fbi->fix.line_length = (fbi->var.xres_virtual * fbi->var.bits_per_pixel) / 8; + fbi->fix.smem_len = fbi->fix.line_length * fbi->var.yres_virtual; return 0; } -- 1.7.1