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>

1 files changed, 8 insertions, 2 deletions

diff --git a/drivers/video/amifb.c b/drivers/video/amifb.c
index 603f84fae6a1..1b0185cf6868 100644
--- 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);