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drm/vmwgfx: Replace unconditional mutex unlocked warnings with lockdep counterpart

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Replace instances of WARN_ON[_ONCE](!mutex_is_held()) with
lockdep_assert_held(). This makes sure the checking process actually
holds the mutex and also removes the checks from release builds

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Reviewed-by: Deepak Rawat <drawat@vmware.com>
This commit is contained in:
Thomas Hellstrom
2018-09-26 15:39:24 +02:00
parent cc1e3b796b
commit d76ce03e1a
3 changed files with 6 additions and 6 deletions
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4
drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c
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@@ -660,7 +660,7 @@ static void __vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man)
{
struct vmw_cmdbuf_header *cur = man->cur;
WARN_ON(!mutex_is_locked(&man->cur_mutex));
lockdep_assert_held_once(&man->cur_mutex);
if (!cur)
return;
@@ -1045,7 +1045,7 @@ static void vmw_cmdbuf_commit_cur(struct vmw_cmdbuf_man *man,
{
struct vmw_cmdbuf_header *cur = man->cur;
WARN_ON(!mutex_is_locked(&man->cur_mutex));
lockdep_assert_held_once(&man->cur_mutex);
WARN_ON(size > cur->reserved);
man->cur_pos += size;