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misc: genwqe: Fix potential memory leak when pinning memory
authorChristian Engelmayer <cengelma@gmx.at>
Sat, 25 Jan 2014 21:47:44 +0000 (22:47 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 7 Feb 2014 23:24:31 +0000 (15:24 -0800)
commit1dd59f64d747bda6d0fe9f8320c030110e0d372c
tree12d8572d310a8618f0333190a3fc8fb3f1a13ba8tree | snapshot
parent67b5ae6ff8d6b98373dc3ab1107cc49f8bb049b9commit | diff
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>
drivers/misc/genwqe/card_dev.c diff | blob | history
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