summaryrefslogtreecommitdiff
path: root/drivers/dma-buf
diff options
context:
space:
mode:
authorDave Airlie <airlied@redhat.com>2021-11-12 13:06:37 +1000
committerDave Airlie <airlied@redhat.com>2021-11-12 13:06:41 +1000
commitb6c24725249a6c1a889665d720cdff088f686f98 (patch)
tree68865fe0a2e4b93cf75aa51a45b466873bba3a81 /drivers/dma-buf
parent447212bb4f8ebd7d95dd6e160cd82c69c9a23c4c (diff)
parent7120a447c7fe37a123ab7a63afefdbf0787b9002 (diff)
Merge tag 'drm-misc-fixes-2021-11-11' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
* dma-buf: name_lock fixes * prime: Keep object ref during mmap * nouveau: Fix a refcount issue; Fix device removal; Protect client list with dedicated mutex; Fix address CE0 address calculation * ttm: Fix race condition during BO eviction Signed-off-by: Dave Airlie <airlied@redhat.com> From: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/YYzY6jeox9EeI15i@linux-uq9g.fritz.box
Diffstat (limited to 'drivers/dma-buf')
-rw-r--r--drivers/dma-buf/dma-buf.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
index 35fe1cb5ad98..cc8f09bfa1a3 100644
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -1359,6 +1359,8 @@ static int dma_buf_debug_show(struct seq_file *s, void *unused)
if (ret)
goto error_unlock;
+
+ spin_lock(&buf_obj->name_lock);
seq_printf(s, "%08zu\t%08x\t%08x\t%08ld\t%s\t%08lu\t%s\n",
buf_obj->size,
buf_obj->file->f_flags, buf_obj->file->f_mode,
@@ -1366,6 +1368,7 @@ static int dma_buf_debug_show(struct seq_file *s, void *unused)
buf_obj->exp_name,
file_inode(buf_obj->file)->i_ino,
buf_obj->name ?: "");
+ spin_unlock(&buf_obj->name_lock);
dma_resv_for_each_fence(&cursor, buf_obj->resv, true, fence) {
seq_printf(s, "\t%s fence: %s %s %ssignalled\n",