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authorDan Carpenter <dan.carpenter@oracle.com>2015-10-09 08:41:22 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-10-18 06:49:48 +0200
commite426115e0ad35513d88a3e423b86f839b02f17b5 (patch)
treec314ec326b069a4465d98758df922f138bdff900 /drivers
parentmisc: mic/scif: re-take a lock on error path (diff)
downloadlinux-e426115e0ad35513d88a3e423b86f839b02f17b5.tar.xz
linux-e426115e0ad35513d88a3e423b86f839b02f17b5.zip
misc: mic/scif: fix error code in scif_create_remote_lookup()
We should be returning -ENOMEM here instead of success. Fixes: ba612aa8b487 ('misc: mic: SCIF memory registration and unregistration') Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Sudeep Dutt <sudeep.dutt@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/misc/mic/scif/scif_rma.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/misc/mic/scif/scif_rma.c b/drivers/misc/mic/scif/scif_rma.c
index 980ef13b4cf6..8310b4dbff06 100644
--- a/drivers/misc/mic/scif/scif_rma.c
+++ b/drivers/misc/mic/scif/scif_rma.c
@@ -386,16 +386,20 @@ static int scif_create_remote_lookup(struct scif_dev *remote_dev,
remote_dev, window->nr_lookup *
sizeof(*window->dma_addr_lookup.lookup),
GFP_KERNEL | __GFP_ZERO);
- if (!window->dma_addr_lookup.lookup)
+ if (!window->dma_addr_lookup.lookup) {
+ err = -ENOMEM;
goto error_window;
+ }
window->num_pages_lookup.lookup =
scif_alloc_coherent(&window->num_pages_lookup.offset,
remote_dev, window->nr_lookup *
sizeof(*window->num_pages_lookup.lookup),
GFP_KERNEL | __GFP_ZERO);
- if (!window->num_pages_lookup.lookup)
+ if (!window->num_pages_lookup.lookup) {
+ err = -ENOMEM;
goto error_window;
+ }
vmalloc_dma_phys = is_vmalloc_addr(&window->dma_addr[0]);
vmalloc_num_pages = is_vmalloc_addr(&window->num_pages[0]);