From mboxrd@z Thu Jan 1 00:00:00 1970 From: segoon@openwall.com (Vasiliy Kulikov) Date: Mon, 17 Jan 2011 13:08:42 +0300 Subject: [PATCH] arm: mach-omap2: potential NULL dereference Message-ID: <1295258922-31242-1-git-send-email-segoon@openwall.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org kzalloc() may fail, if so return -ENOMEM. Signed-off-by: Vasiliy Kulikov --- Cannot compile this driver, so it is not tested at all. arch/arm/mach-omap2/smartreflex.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-omap2/smartreflex.c b/arch/arm/mach-omap2/smartreflex.c index 77ecebf..871bca9 100644 --- a/arch/arm/mach-omap2/smartreflex.c +++ b/arch/arm/mach-omap2/smartreflex.c @@ -260,7 +260,10 @@ static int sr_late_init(struct omap_sr *sr_info) if (sr_class->class_type == SR_CLASS2 && sr_class->notify_flags && sr_info->irq) { + ret = -ENOMEM; name = kzalloc(SMARTREFLEX_NAME_LEN + 1, GFP_KERNEL); + if (name == NULL) + goto error; strcpy(name, "sr_"); strcat(name, sr_info->voltdm->name); ret = request_irq(sr_info->irq, sr_interrupt, -- 1.7.0.4