diff options
| author | Christophe JAILLET <[email protected]> | 2017-11-17 15:37:57 -0800 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2017-11-17 16:10:03 -0800 |
| commit | b1402dcb5643b7a27d46a05edd7491d49ba0e248 (patch) | |
| tree | bc4832df42f3cd053b0972e684b90709ad074fff | |
| parent | c1b1418a66928bbae3d3ff057ae0110d5b122c11 (diff) | |
drivers/rapidio/devices/rio_mport_cdev.c: fix resource leak in error handling path in 'rio_dma_transfer()'
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 <[email protected]>
Reviewed-by: Logan Gunthorpe <[email protected]>
Cc: Matt Porter <[email protected]>
Cc: Alexandre Bounine <[email protected]>
Cc: Lorenzo Stoakes <[email protected]>
Cc: Jesper Nilsson <[email protected]>
Cc: Christian K_nig <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -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 5c1b6388122a..86805747a422 100644 --- a/drivers/rapidio/devices/rio_mport_cdev.c +++ b/drivers/rapidio/devices/rio_mport_cdev.c @@ -963,7 +963,8 @@ 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); |