From patchwork Tue Jan 11 23:54:07 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [19/22] vt8623fb: Don't clobber par->state.vgabase during open method. Date: Tue, 11 Jan 2011 13:54:07 -0000 From: David Miller X-Patchwork-Id: 78489 Message-Id: <20110111.155407.113717176.davem@davemloft.net> To: linux-fbdev@vger.kernel.org Cc: sparclinux@vger.kernel.org, alex.buell@munted.org.uk Signed-off-by: David S. Miller --- drivers/video/vt8623fb.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/drivers/video/vt8623fb.c b/drivers/video/vt8623fb.c index b470157..6f6f049 100644 --- a/drivers/video/vt8623fb.c +++ b/drivers/video/vt8623fb.c @@ -292,7 +292,10 @@ static int vt8623fb_open(struct fb_info *info, int user) mutex_lock(&(par->open_lock)); if (par->ref_count == 0) { + void __iomem *vgabase = par->state.vgabase; + memset(&(par->state), 0, sizeof(struct vgastate)); + par->state.vgabase = vgabase; par->state.flags = VGA_SAVE_MODE | VGA_SAVE_FONTS | VGA_SAVE_CMAP; par->state.num_crtc = 0xA2; par->state.num_seq = 0x50;