diff options
| author | Lizhi Hou <lizhi.hou@amd.com> | 2026-06-04 23:28:15 +0300 |
|---|---|---|
| committer | Lizhi Hou <lizhi.hou@amd.com> | 2026-06-10 09:22:33 +0300 |
| commit | 2db6ddf1cbc84978d1690d574e92626d431e407d (patch) | |
| tree | b01ee3204d9f1e895a328de2710397bfe52e8118 | |
| parent | b08472db93b1ccff84a7adec5779d47f0e9d3a30 (diff) | |
| download | linux-2db6ddf1cbc84978d1690d574e92626d431e407d.tar.xz | |
accel/amdxdna: Clear sva pointer after unbind
Add client->sva = NULL after the unbind makes it consistent with how
amdxdna_sva_fini() already clears the pointer after unbinding. The
IS_ERR_OR_NULL guard in sva_fini will then correctly skip the second
unbind.
Fixes: 3cc5d7a59519 ("accel/amdxdna: Add carveout memory support for non-IOMMU systems")
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Signed-off-by: Lizhi Hou <lizhi.hou@amd.com>
Link: https://patch.msgid.link/20260604202815.2425882-1-lizhi.hou@amd.com
| -rw-r--r-- | drivers/accel/amdxdna/amdxdna_pci_drv.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/accel/amdxdna/amdxdna_pci_drv.c b/drivers/accel/amdxdna/amdxdna_pci_drv.c index 1f066ed8d236..65489bb3f2b0 100644 --- a/drivers/accel/amdxdna/amdxdna_pci_drv.c +++ b/drivers/accel/amdxdna/amdxdna_pci_drv.c @@ -87,6 +87,7 @@ static int amdxdna_sva_init(struct amdxdna_client *client) client->pasid = iommu_sva_get_pasid(client->sva); if (client->pasid == IOMMU_PASID_INVALID) { iommu_sva_unbind_device(client->sva); + client->sva = NULL; XDNA_ERR(xdna, "SVA get pasid failed"); return -ENODEV; } |