Char: stallion, proper fail return values

do not return 0 in one case and return proper values in other 2.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c
index 23ea4c8..45bf2a2 100644 (file)
--- a/drivers/char/stallion.c
+++ b/drivers/char/stallion.c
@@ -2177,6 +2177,7 @@ static int __devinit stl_initech(struct stlbrd *brdp)
                if (!panelp) {
                        printk("STALLION: failed to allocate memory "
                                "(size=%Zd)\n", sizeof(struct stlpanel));
+                       retval = -ENOMEM;
                        goto err_fr;
                }
                panelp->magic = STL_PANELMAGIC;
@@ -2223,8 +2224,10 @@ static int __devinit stl_initech(struct stlbrd *brdp)
                brdp->nrports += panelp->nrports;
                brdp->panels[panelnr++] = panelp;
                if ((brdp->brdtype != BRD_ECHPCI) &&
-                   (ioaddr >= (brdp->ioaddr2 + brdp->iosize2)))
+                   (ioaddr >= (brdp->ioaddr2 + brdp->iosize2))) {
+                       retval = -EINVAL;
                        goto err_fr;
+               }
        }
 
        brdp->nrpanels = panelnr;
@@ -2371,6 +2374,7 @@ static int __devinit stl_pciprobe(struct pci_dev *pdev,
                dev_err(&pdev->dev, "too many boards found, "
                        "maximum supported %d\n", STL_MAXBRDS);
                mutex_unlock(&stl_brdslock);
+               retval = -ENODEV;
                goto err_fr;
        }
        brdp->brdnr = (unsigned int)brdnr;