From: Vaibhav Jain <vaibhav@linux.vnet.ibm.com>
Date: Fri, 14 Aug 2015 06:58:38 +0000 (+0530)
Subject: cxl: Plug irq_bitmap getting leaked in cxl_context
X-Git-Tag: firefly_0821_release~176^2~1149^2~39
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=8c7dd08a8ccac3f0f3df6002dc8e86d3ca6c56a8;p=firefly-linux-kernel-4.4.55.git

cxl: Plug irq_bitmap getting leaked in cxl_context

This patch plugs the leak of irq_bitmap, allocated as part of
initialization of cxl_context struct; during the call to
afu_allocate_irqs. The bitmap is now release during the call to function
afu_release_irqs.

Reported-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>
Signed-off-by: Vaibhav Jain <vaibhav@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---

diff --git a/drivers/misc/cxl/irq.c b/drivers/misc/cxl/irq.c
index 62823784f68e..72bf45ae3806 100644
--- a/drivers/misc/cxl/irq.c
+++ b/drivers/misc/cxl/irq.c
@@ -520,4 +520,8 @@ void afu_release_irqs(struct cxl_context *ctx, void *cookie)
 
 	afu_irq_name_free(ctx);
 	cxl_release_irq_ranges(&ctx->irqs, ctx->afu->adapter);
+
+	kfree(ctx->irq_bitmap);
+	ctx->irq_bitmap = NULL;
+	ctx->irq_count = 0;
 }