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| author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2017-11-17 15:37:57 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-12-14 09:28:22 +0100 |
| commit | e9672477a5f059e88e3c3b886c0a61253447254a (patch) | |
| tree | 784dcd48cb6c110b4a48c885ce4c1f6c379a49e4 | |
| parent | 007e20bd0fddd4fee4c6d9f897acbca55066c23b (diff) | |
| download | linux-stable-e9672477a5f059e88e3c3b886c0a61253447254a.tar.gz linux-stable-e9672477a5f059e88e3c3b886c0a61253447254a.tar.bz2 linux-stable-e9672477a5f059e88e3c3b886c0a61253447254a.zip | |
drivers/rapidio/devices/rio_mport_cdev.c: fix resource leak in error handling path in 'rio_dma_transfer()'
[ Upstream commit b1402dcb5643b7a27d46a05edd7491d49ba0e248 ]
If 'dma_map_sg()', we should branch to the existing error handling path
to free some resources before returning.
Link: http://lkml.kernel.org/r/61292a4f369229eee03394247385e955027283f8.1505687047.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Lorenzo Stoakes <lstoakes@gmail.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Christian K_nig <christian.koenig@amd.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/rapidio/devices/rio_mport_cdev.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/rapidio/devices/rio_mport_cdev.c b/drivers/rapidio/devices/rio_mport_cdev.c index 9013a585507e..f32fc704cb7e 100644 --- a/drivers/rapidio/devices/rio_mport_cdev.c +++ b/drivers/rapidio/devices/rio_mport_cdev.c @@ -964,7 +964,8 @@ rio_dma_transfer(struct file *filp, u32 transfer_mode, req->sgt.sgl, req->sgt.nents, dir); if (nents == -EFAULT) { rmcd_error("Failed to map SG list"); - return -EFAULT; + ret = -EFAULT; + goto err_pg; } ret = do_dma_request(req, xfer, sync, nents); |