[PATCH v2 2/2] msm: msm_fb: Move to using managed resources of kzalloc

[Pramod Gurav]

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

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

CC: Jean-Christophe Plagniol-Villard <plagnioj@xxxxxxxxxxxx>
CC: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
CC: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
CC: Jingoo Han <jg1.han@xxxxxxxxxxx>
CC: Rob Clark <robdclark@xxxxxxxxx>

---
 drivers/video/fbdev/msm/msm_fb.c |    9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/video/fbdev/msm/msm_fb.c b/drivers/video/fbdev/msm/msm_fb.c
index 4640188..2979d7e 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);
-- 
1.7.9.5

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