Commit d913c743 authored Jan 25, 2014 by Christian Engelmayer Committed by Greg Kroah-Hartman Feb 07, 2014

misc: genwqe: Fix potential memory leak when pinning memory



Fix a memory leak in the genwqe_pin_mem() error path as called by
ioctl GENWQE_PIN_MEM. In case there is an error encountered when
mapping memory, the already allocated dma_mapping struct needs to
be freed correctly.

Detected by Coverity: CID 1162606.

Signed-off-by: Christian Engelmayer <cengelma@gmx.at>
Acked-by: Frank Haverkamp <haver@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent d0f2a808

drivers/misc/genwqe/card_dev.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -787,6 +787,7 @@ static int genwqe_pin_mem(struct genwqe_file cfile, struct genwqe_mem m)
		if (rc != 0) {
		dev_err(&pci_dev->dev,
		"[%s] genwqe_user_vmap rc=%d\n", __func__, rc);
		kfree(dma_map);
		return rc;
		}