Commit-ID: c82a43d40b93200a10a9fec0a489791e65e135ca Gitweb: http://git.kernel.org/tip/c82a43d40b93200a10a9fec0a489791e65e135ca Author: Cyrill Gorcunov <gorcunov@xxxxxxxxxx> AuthorDate: Mon, 26 Oct 2009 23:28:11 +0300 Committer: Ingo Molnar <mingo@xxxxxxx> CommitDate: Sun, 8 Nov 2009 13:14:22 +0100 irq: Do not attempt to create subdirectories if /proc/irq/<irq> failed If a parent directory (ie /proc/irq/<irq>) could not be created we should not attempt to create subdirectories. Otherwise it would lead that "smp_affinity" and "spurious" entries are may be registered under /proc root instead of a proper place. Signed-off-by: Cyrill Gorcunov <gorcunov@xxxxxxxxxx> Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx> Cc: Yinghai Lu <yinghai@xxxxxxxxxx> LKML-Reference: <20091026202811.GD5321@lenovo> Signed-off-by: Ingo Molnar <mingo@xxxxxxx> --- kernel/irq/proc.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c index 692363d..dfef5b9 100644 --- a/kernel/irq/proc.c +++ b/kernel/irq/proc.c @@ -214,6 +214,8 @@ void register_irq_proc(unsigned int irq, struct irq_desc *desc) /* create /proc/irq/1234 */ desc->dir = proc_mkdir(name, root_irq_dir); + if (!desc->dir) + return; #ifdef CONFIG_SMP /* create /proc/irq/<irq>/smp_affinity */ -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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