Commit-ID: dbf07cf0c846c3a0d3f97976931cb4ae78f730e2 Gitweb: http://git.kernel.org/tip/dbf07cf0c846c3a0d3f97976931cb4ae78f730e2 Author: Maxime Ripard <maxime.rip...@free-electrons.com> AuthorDate: Sat, 2 May 2015 17:03:26 +0200 Committer: Thomas Gleixner <t...@linutronix.de> CommitDate: Tue, 5 May 2015 10:45:59 +0200
irqchip: vf610: Fix of_io_request_and_map error check of_io_request_and map returns an error pointer, but the current code assumes that on error the returned pointer will be NULL. Obviously, that makes the check completely useless. Change the test to actually check for the proper error code. Signed-off-by: Maxime Ripard <maxime.rip...@free-electrons.com> Cc: Jason Cooper <ja...@lakedaemon.net> Link: http://lkml.kernel.org/r/1430579006-32702-7-git-send-email-maxime.rip...@free-electrons.com Signed-off-by: Thomas Gleixner <t...@linutronix.de> --- drivers/irqchip/irq-vf610-mscm-ir.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/irqchip/irq-vf610-mscm-ir.c b/drivers/irqchip/irq-vf610-mscm-ir.c index 9521057..d0f940a 100644 --- a/drivers/irqchip/irq-vf610-mscm-ir.c +++ b/drivers/irqchip/irq-vf610-mscm-ir.c @@ -174,10 +174,9 @@ static int __init vf610_mscm_ir_of_init(struct device_node *node, return -ENOMEM; mscm_ir_data->mscm_ir_base = of_io_request_and_map(node, 0, "mscm-ir"); - - if (!mscm_ir_data->mscm_ir_base) { + if (IS_ERR(mscm_ir_data->mscm_ir_base)) { pr_err("vf610_mscm_ir: unable to map mscm register\n"); - ret = -ENOMEM; + ret = PTR_ERR(mscm_ir_data->mscm_ir_base); goto out_free; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/