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authorArvind Yadav <arvind.yadav.cs@gmail.com>2017-06-14 18:40:56 +0300
committerBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>2017-06-14 18:40:56 +0300
commit86388d835e7f98a227e83530fa9b4953193df43a (patch)
tree9752fde3c1440ce8ca488887ac969429bdaf07ce /drivers/video/fbdev/pxafb.c
parentac5b52d2a2980fe34474e23037b02485c61538a3 (diff)
downloadlinux-86388d835e7f98a227e83530fa9b4953193df43a.tar.xz
video: fbdev: pxafb: Handle return value of clk_prepare_enable
clk_prepare_enable() can fail here and we must check its return value. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Diffstat (limited to 'drivers/video/fbdev/pxafb.c')
-rw-r--r--drivers/video/fbdev/pxafb.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/video/fbdev/pxafb.c b/drivers/video/fbdev/pxafb.c
index b21a89b03fb4..c3d49e13643c 100644
--- a/drivers/video/fbdev/pxafb.c
+++ b/drivers/video/fbdev/pxafb.c
@@ -1436,7 +1436,10 @@ static void pxafb_enable_controller(struct pxafb_info *fbi)
pr_debug("reg_lccr3 0x%08x\n", (unsigned int) fbi->reg_lccr3);
/* enable LCD controller clock */
- clk_prepare_enable(fbi->clk);
+ if (clk_prepare_enable(fbi->clk)) {
+ pr_err("%s: Failed to prepare clock\n", __func__);
+ return;
+ }
if (fbi->lccr0 & LCCR0_LCDT)
return;