diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/cxl/core/mbox.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/cxl/core/mbox.c b/drivers/cxl/core/mbox.c index 548564c770c0..0601297af0c9 100644 --- a/drivers/cxl/core/mbox.c +++ b/drivers/cxl/core/mbox.c @@ -1222,23 +1222,19 @@ int cxl_mem_sanitize(struct cxl_memdev *cxlmd, u16 cmd) { struct cxl_memdev_state *mds = to_cxl_memdev_state(cxlmd->cxlds); struct cxl_port *endpoint; - int rc; /* synchronize with cxl_mem_probe() and decoder write operations */ guard(device)(&cxlmd->dev); endpoint = cxlmd->endpoint; - down_read(&cxl_region_rwsem); + guard(rwsem_read)(&cxl_region_rwsem); /* * Require an endpoint to be safe otherwise the driver can not * be sure that the device is unmapped. */ if (endpoint && cxl_num_decoders_committed(endpoint) == 0) - rc = __cxl_mem_sanitize(mds, cmd); - else - rc = -EBUSY; - up_read(&cxl_region_rwsem); + return __cxl_mem_sanitize(mds, cmd); - return rc; + return -EBUSY; } static int add_dpa_res(struct device *dev, struct resource *parent, |