drivers/video/mb862xx/mb862xxfbdrv.c: fix error return code

Convert a nonnegative error return code to a negative one, as returned
elsewhere in the function.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
 { ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
    when != &ret
*if(...)
{
  ... when != ret = e2
      when forall
 return ret;
}
// </smpl>

Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>

1 files changed, 7 insertions, 3 deletions

diff --git a/drivers/video/mb862xx/mb862xxfbdrv.c b/drivers/video/mb862xx/mb862xxfbdrv.c
index 57d940be5f3d..d68e332aa21c 100644
--- a/drivers/video/mb862xx/mb862xxfbdrv.c
+++ b/drivers/video/mb862xx/mb862xxfbdrv.c
@@ -1052,12 +1052,14 @@ static int __devinit mb862xx_pci_probe(struct pci_dev *pdev,
                 break;
         default:
                 /* should never occur */
+                ret = -EIO;
                 goto rel_reg;
         }
 
         par->fb_base = ioremap(par->fb_base_phys, par->mapped_vram);
         if (par->fb_base == NULL) {
                 dev_err(dev, "Cannot map framebuffer\n");
+                ret = -EIO;
                 goto rel_reg;
         }
 
@@ -1073,11 +1075,13 @@ static int __devinit mb862xx_pci_probe(struct pci_dev *pdev,
         dev_dbg(dev, "mmio phys 0x%llx 0x%lx\n",
                 (unsigned long long)par->mmio_base_phys, (ulong)par->mmio_len);
 
-        if (mb862xx_pci_gdc_init(par))
+        ret = mb862xx_pci_gdc_init(par);
+        if (ret)
                 goto io_unmap;
 
-        if (request_irq(par->irq, mb862xx_intr, IRQF_SHARED,
-                        DRV_NAME, (void *)par)) {
+        ret = request_irq(par->irq, mb862xx_intr, IRQF_SHARED,
+                          DRV_NAME, (void *)par);
+        if (ret) {
                 dev_err(dev, "Cannot request irq\n");
                 goto io_unmap;
         }