Commit 695af60a authored Jul 11, 2022 by Christophe JAILLET Committed by Greg Kroah-Hartman Aug 25, 2022

cxl: Fix a memory leak in an error handling path



[ Upstream commit 3a15b45b5454da862376b5d69a4967f5c6fa1368 ]

A bitmap_zalloc() must be balanced by a corresponding bitmap_free() in the
error handling path of afu_allocate_irqs().

Acked-by: Andrew Donnellan <ajd@linux.ibm.com>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/ce5869418f5838187946eb6b11a52715a93ece3d.1657566849.git.christophe.jaillet@wanadoo.fr


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent ca06b4cd

drivers/misc/cxl/irq.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -349,6 +349,7 @@ int afu_allocate_irqs(struct cxl_context *ctx, u32 count)

		out:
		cxl_ops->release_irq_ranges(&ctx->irqs, ctx->afu->adapter);
		bitmap_free(ctx->irq_bitmap);
		afu_irq_name_free(ctx);
		return -ENOMEM;
		}