Commit-ID: 8844aad89ed61545b4db6a3467e1b21ca1c49460 Gitweb: http://git.kernel.org/tip/8844aad89ed61545b4db6a3467e1b21ca1c49460 Author: Keith Busch <[email protected]> AuthorDate: Mon, 30 Jun 2014 16:24:44 -0600 Committer: Thomas Gleixner <[email protected]> CommitDate: Sat, 5 Jul 2014 21:42:08 +0200
genirq: Fix memory leak when calling irq_free_hwirqs() irq_free_hwirqs() always calls irq_free_descs() with a cnt == 0 which makes it a no-op since the interrupt count to free is decremented in itself. Fixes: 7b6ef1262549f6afc5c881aaef80beb8fd15f908 Signed-off-by: Keith Busch <[email protected]> Acked-by: David Rientjes <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Thomas Gleixner <[email protected]> --- kernel/irq/irqdesc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index 7339e42..1487a12 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -455,9 +455,9 @@ EXPORT_SYMBOL_GPL(irq_alloc_hwirqs); */ void irq_free_hwirqs(unsigned int from, int cnt) { - int i; + int i, j; - for (i = from; cnt > 0; i++, cnt--) { + for (i = from, j = cnt; j > 0; i++, j--) { irq_set_status_flags(i, _IRQ_NOREQUEST | _IRQ_NOPROBE); arch_teardown_hwirq(i); } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
