s3fb: fix PCI must_checks

drivers/video/s3fb.c:1078: warning: ignoring return value of 'pci_enable_device', declared with attribute warn_unused_result

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 8 insertions, 1 deletions

diff --git a/drivers/video/s3fb.c b/drivers/video/s3fb.c
index 3091b20124b4..c348813e6132 100644
--- a/drivers/video/s3fb.c
+++ b/drivers/video/s3fb.c
@@ -1061,6 +1061,7 @@ static int s3_pci_resume(struct pci_dev* dev)
 {
         struct fb_info *info = pci_get_drvdata(dev);
         struct s3fb_info *par = info->par;
+        int err;
 
         dev_info(&(dev->dev), "resume\n");
 
@@ -1075,7 +1076,13 @@ static int s3_pci_resume(struct pci_dev* dev)
 
         pci_set_power_state(dev, PCI_D0);
         pci_restore_state(dev);
-        pci_enable_device(dev);
+        err = pci_enable_device(dev);
+        if (err) {
+                mutex_unlock(&(par->open_lock));
+                release_console_sem();
+                dev_err(&(dev->dev), "error %d enabling device for resume\n", err);
+                return err;
+        }
         pci_set_master(dev);
 
         s3fb_set_par(info);