msm: msm_fb: Move to using managed resources of kzalloc

Move to managed verion of kzalloc. Also checks return for failure case
which was missing.

Signed-off-by: Pramod Gurav <pramod.gurav@smartplayin.com>

CC: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
CC: Tomi Valkeinen <tomi.valkeinen@ti.com>
CC: Stephen Boyd <sboyd@codeaurora.org>
CC: Jingoo Han <jg1.han@samsung.com>
CC: Rob Clark <robdclark@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

1 files changed, 7 insertions, 2 deletions

diff --git a/drivers/video/fbdev/msm/msm_fb.c b/drivers/video/fbdev/msm/msm_fb.c
index 4640188ffd6e..2979d7e72126 100644
--- a/drivers/video/fbdev/msm/msm_fb.c
+++ b/drivers/video/fbdev/msm/msm_fb.c
@@ -569,8 +569,13 @@ static int msmfb_probe(struct platform_device *pdev)
         mutex_init(&msmfb->panel_init_lock);
         init_waitqueue_head(&msmfb->frame_wq);
         INIT_WORK(&msmfb->resume_work, power_on_panel);
-        msmfb->black = kzalloc(msmfb->fb->var.bits_per_pixel*msmfb->xres,
-                               GFP_KERNEL);
+        msmfb->black = devm_kzalloc(&pdev->dev,
+                                    msmfb->fb->var.bits_per_pixel*msmfb->xres,
+                                    GFP_KERNEL);
+        if (!msmfb->black) {
+                ret = -ENOMEM;
+                goto error_register_framebuffer;
+        }
 
         printk(KERN_INFO "msmfb_probe() installing %d x %d panel\n",
                msmfb->xres, msmfb->yres);