fbdev/amifb: Do not call panic() if there's not enough Chip RAM

Fail gracefully instead.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

diff --git a/drivers/video/amifb.c b/drivers/video/amifb.c
index 603f84f..1b0185c 100644 (file)
--- a/drivers/video/amifb.c
+++ b/drivers/video/amifb.c
@@ -2230,8 +2230,10 @@ static inline u_long __init chipalloc(u_long size)
 {
        size += PAGE_SIZE-1;
        if (!(unaligned_chipptr = (u_long)amiga_chip_alloc(size,
-                                                          "amifb [RAM]")))
-               panic("No Chip RAM for frame buffer");
+                                                          "amifb [RAM]"))) {
+               pr_err("amifb: No Chip RAM for frame buffer");
+               return 0;
+       }
        memset((void *)unaligned_chipptr, 0, size);
        return PAGE_ALIGN(unaligned_chipptr);
 }
@@ -2385,6 +2387,10 @@ default_chipset:
                            DUMMYSPRITEMEMSIZE+
                            COPINITSIZE+
                            4*COPLISTSIZE);
+       if (!chipptr) {
+               err = -ENOMEM;
+               goto amifb_error;
+       }
 
        assignchunk(videomemory, u_long, chipptr, fb_info.fix.smem_len);
        assignchunk(spritememory, u_long, chipptr, SPRITEMEMSIZE);