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Code Issues Releases Activity

drm: Revert the part of r288653 about M_WAITOK vs M_NOWAIT

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Using M_NOWAIT could lead to transient failures with ioctls.

Suggested by:	kib
This commit is contained in:
Jean-Sébastien Pédron 2016-01-13 20:35:02 +00:00
parent bd2ebb612d
commit fe8e65ae3d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=293851
2 changed files with 11 additions and 11 deletions
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20
sys/dev/drm2/drm_crtc.c
View File

@ -663,7 +663,7 @@ int drm_plane_init(struct drm_device *dev, struct drm_plane *plane,
plane->dev = dev;
plane->funcs = funcs;
plane->format_types = malloc(sizeof(uint32_t) * format_count,
DRM_MEM_KMS, M_NOWAIT);
DRM_MEM_KMS, M_WAITOK);
if (!plane->format_types) {
DRM_DEBUG_KMS("out of memory when allocating plane\n");
drm_mode_object_put(dev, &plane->base);
@ -1010,7 +1010,7 @@ int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group)
total_objects += dev->mode_config.num_encoder;
group->id_list = malloc(total_objects * sizeof(uint32_t),
DRM_MEM_KMS, M_NOWAIT | M_ZERO);
DRM_MEM_KMS, M_WAITOK | M_ZERO);
if (!group->id_list)
return -ENOMEM;
@ -1998,7 +1998,7 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data,
connector_set = malloc(crtc_req->count_connectors *
sizeof(struct drm_connector *),
DRM_MEM_KMS, M_NOWAIT);
DRM_MEM_KMS, M_WAITOK);
if (!connector_set) {
ret = -ENOMEM;
goto out;
@ -2523,7 +2523,7 @@ int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
goto out_err1;
}
clips = malloc(num_clips * sizeof(*clips), DRM_MEM_KMS,
M_NOWAIT | M_ZERO);
M_WAITOK | M_ZERO);
if (!clips) {
ret = -ENOMEM;
goto out_err1;
@ -2774,13 +2774,13 @@ struct drm_property *drm_property_create(struct drm_device *dev, int flags,
int ret;
property = malloc(sizeof(struct drm_property), DRM_MEM_KMS,
M_NOWAIT | M_ZERO);
M_WAITOK | M_ZERO);
if (!property)
return NULL;
if (num_values) {
property->values = malloc(sizeof(uint64_t)*num_values, DRM_MEM_KMS,
M_NOWAIT | M_ZERO);
M_WAITOK | M_ZERO);
if (!property->values)
goto fail;
}
@ -2908,7 +2908,7 @@ int drm_property_add_enum(struct drm_property *property, int index,
}
prop_enum = malloc(sizeof(struct drm_property_enum), DRM_MEM_KMS,
M_NOWAIT | M_ZERO);
M_WAITOK | M_ZERO);
if (!prop_enum)
return -ENOMEM;
@ -3104,7 +3104,7 @@ static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev
return NULL;
blob = malloc(sizeof(struct drm_property_blob)+length, DRM_MEM_KMS,
M_NOWAIT | M_ZERO);
M_WAITOK | M_ZERO);
if (!blob)
return NULL;
@ -3434,7 +3434,7 @@ int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
crtc->gamma_size = gamma_size;
crtc->gamma_store = malloc(gamma_size * sizeof(uint16_t) * 3,
DRM_MEM_KMS, M_NOWAIT | M_ZERO);
DRM_MEM_KMS, M_WAITOK | M_ZERO);
if (!crtc->gamma_store) {
crtc->gamma_size = 0;
return -ENOMEM;
@ -3632,7 +3632,7 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
file_priv->event_space -= sizeof e->event;
mtx_unlock(&dev->event_lock);
e = malloc(sizeof *e, DRM_MEM_KMS, M_NOWAIT | M_ZERO);
e = malloc(sizeof *e, DRM_MEM_KMS, M_WAITOK | M_ZERO);
if (e == NULL) {
mtx_lock(&dev->event_lock);
file_priv->event_space += sizeof e->event;

2
sys/dev/drm2/drm_pci.c
View File

@ -225,7 +225,7 @@ int drm_pci_set_unique(struct drm_device *dev,
master->unique_len = u->unique_len;
master->unique_size = u->unique_len + 1;
master->unique = malloc(master->unique_size, DRM_MEM_DRIVER, M_NOWAIT);
master->unique = malloc(master->unique_size, DRM_MEM_DRIVER, M_WAITOK);
if (!master->unique) {
ret = -ENOMEM;
goto err;