From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kulikov Vasiliy Date: Sun, 05 Sep 2010 18:32:15 +0000 Subject: [PATCH 01/14] avr32/mach-at32ap/clock: check return code of clk_get Message-Id: <1283711535-7082-1-git-send-email-segooon@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: kernel-janitors@vger.kernel.org Cc: Vasiliy Kulikov , Haavard Skinnemoen , linux-kernel@vger.kernel.org From: Vasiliy Kulikov Function clk_get may return ERR_PTR(...). Check for it. Signed-off-by: Vasiliy Kulikov --- arch/avr32/mach-at32ap/clock.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/arch/avr32/mach-at32ap/clock.c b/arch/avr32/mach-at32ap/clock.c index 442f08c..133a475 100644 --- a/arch/avr32/mach-at32ap/clock.c +++ b/arch/avr32/mach-at32ap/clock.c @@ -258,14 +258,20 @@ static int clk_show(struct seq_file *s, void *unused) /* show clock tree as derived from the three oscillators */ clk = clk_get(NULL, "osc32k"); + if (IS_ERR(clk)) + return PTR_ERR(clk); dump_clock(clk, &r); clk_put(clk); clk = clk_get(NULL, "osc0"); + if (IS_ERR(clk)) + return PTR_ERR(clk); dump_clock(clk, &r); clk_put(clk); clk = clk_get(NULL, "osc1"); + if (IS_ERR(clk)) + return PTR_ERR(clk); dump_clock(clk, &r); clk_put(clk); -- 1.7.0.4