The vmw_gmrid_man_get_node() function calls vmw_host_printf() while
holding a spinlock so these functions need to be atomic. Generally,
no one expects printf() functions to sleep.
Fixes: cfdc3458db8a ("drm/vmwgfx: Be a lot more flexible with MOB limits")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
drivers/gpu/drm/vmwgfx/vmwgfx_msg.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
index ed9c7b3a1e08..16be71c4c679 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
@@ -506,14 +506,14 @@ int vmw_host_printf(const char *fmt, ...)
return ret;
va_start(ap, fmt);
- log = kvasprintf(GFP_KERNEL, fmt, ap);
+ log = kvasprintf(GFP_ATOMIC, fmt, ap);
va_end(ap);
if (!log) {
DRM_ERROR("Cannot allocate memory for the log message.\n");
return -ENOMEM;
}
- msg = kasprintf(GFP_KERNEL, "log %s", log);
+ msg = kasprintf(GFP_ATOMIC, "log %s", log);
if (!msg) {
DRM_ERROR("Cannot allocate memory for host log message.\n");
kfree(log);
--
2.20.1
