1 files changed, 9 insertions, 6 deletions

diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 94aa6b293e0..56107b3a997 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -541,8 +541,9 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
                 int index;
 
                 index = GetIndexIntoMasterTable(COMMAND, AdjustDisplayPll);
-                atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
-                                      &crev);
+                if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
+                                           &crev))
+                        return adjusted_clock;
 
                 memset(&args, 0, sizeof(args));
 
@@ -630,8 +631,9 @@ static void atombios_crtc_set_dcpll(struct drm_crtc *crtc)
         memset(&args, 0, sizeof(args));
 
         index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
-        atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
-                              &crev);
+        if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
+                                   &crev))
+                return;
 
         switch (frev) {
         case 1:
@@ -705,8 +707,9 @@ static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode
                            &ref_div, &post_div);
 
         index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
-        atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
-                              &crev);
+        if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
+                                   &crev))
+                return;
 
         switch (frev) {
         case 1: