| Message ID | 5e0ce70b74924acc351ce4d8ef846c28f8e6ceda.1496829008.git.arvind.yadav.cs@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Wednesday, June 07, 2017 03:22:09 PM Arvind Yadav wrote: > clk_prepare_enable() can fail here and we must check its return value. > > Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Patch queued for 4.13, thanks. Best regards, -- Bartlomiej Zolnierkiewicz Samsung R&D Institute Poland Samsung Electronics -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/video/fbdev/pxafb.c b/drivers/video/fbdev/pxafb.c index b21a89b..c3d49e1 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;
clk_prepare_enable() can fail here and we must check its return value. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> --- drivers/video/fbdev/pxafb.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)