diff options
| author | Frediano Ziglio <fziglio@redhat.com> | 2015-06-03 12:09:19 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2015-06-05 11:00:52 +1000 |
| commit | ef1316961048988c6d044a298b5842c8288cc35b (patch) | |
| tree | 59660e9a96005484be131735074182a043581303 /drivers/gpu/drm/qxl | |
| parent | 74d9a6335dceb81a55821ac72daaa8f1c1554a83 (diff) | |
drm/qxl: Propagate correctly errors from qxlhw_handle_to_bo
This function could return a NULL pointer in case of handle not
present and in case of out of memory conditions however caller
function always returned EINVAL error hiding a possible ENOMEM.
This patch change the function to return the error instead to
be able to propagate the error instead of assuming EINVAL.
Signed-off-by: Frediano Ziglio <fziglio@redhat.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/qxl')
| -rw-r--r-- | drivers/gpu/drm/qxl/qxl_ioctl.c | 33 |
1 files changed, 14 insertions, 19 deletions
diff --git a/drivers/gpu/drm/qxl/qxl_ioctl.c b/drivers/gpu/drm/qxl/qxl_ioctl.c index 00106294f21d..bda5c5f80c24 100644 --- a/drivers/gpu/drm/qxl/qxl_ioctl.c +++ b/drivers/gpu/drm/qxl/qxl_ioctl.c @@ -107,9 +107,9 @@ apply_surf_reloc(struct qxl_device *qdev, struct qxl_reloc_info *info) } /* return holding the reference to this object */ -static struct qxl_bo *qxlhw_handle_to_bo(struct qxl_device *qdev, - struct drm_file *file_priv, uint64_t handle, - struct qxl_release *release) +static int qxlhw_handle_to_bo(struct qxl_device *qdev, + struct drm_file *file_priv, uint64_t handle, + struct qxl_release *release, struct qxl_bo **qbo_p) { struct drm_gem_object *gobj; struct qxl_bo *qobj; @@ -117,16 +117,17 @@ static struct qxl_bo *qxlhw_handle_to_bo(struct qxl_device *qdev, gobj = drm_gem_object_lookup(qdev->ddev, file_priv, handle); if (!gobj) - return NULL; + return -EINVAL; qobj = gem_to_qxl_bo(gobj); ret = qxl_release_list_add(release, qobj); drm_gem_object_unreference_unlocked(gobj); if (ret) - return NULL; + return ret; - return qobj; + *qbo_p = qobj; + return 0; } /* @@ -219,13 +220,10 @@ static int qxl_process_single_command(struct qxl_device *qdev, reloc_info[i].type = reloc.reloc_type; if (reloc.dst_handle) { - reloc_info[i].dst_bo = qxlhw_handle_to_bo(qdev, file_priv, - reloc.dst_handle, release); - if (!reloc_info[i].dst_bo) { - ret = -EINVAL; - reloc_info[i].src_bo = NULL; + ret = qxlhw_handle_to_bo(qdev, file_priv, reloc.dst_handle, release, + &reloc_info[i].dst_bo); + if (ret) goto out_free_bos; - } reloc_info[i].dst_offset = reloc.dst_offset; } else { reloc_info[i].dst_bo = cmd_bo; @@ -234,14 +232,11 @@ static int qxl_process_single_command(struct qxl_device *qdev, num_relocs++; /* reserve and validate the reloc dst bo */ - if (reloc.reloc_type == QXL_RELOC_TYPE_BO || reloc.src_handle > 0) { - reloc_info[i].src_bo = - qxlhw_handle_to_bo(qdev, file_priv, - reloc.src_handle, release); - if (!reloc_info[i].src_bo) { - ret = -EINVAL; + if (reloc.reloc_type == QXL_RELOC_TYPE_BO || reloc.src_handle) { + ret = qxlhw_handle_to_bo(qdev, file_priv, reloc.src_handle, release, + &reloc_info[i].src_bo); + if (ret) goto out_free_bos; - } reloc_info[i].src_offset = reloc.src_offset; } else { reloc_info[i].src_bo = NULL; |