Messages in this thread | | | Subject | Re: use persistent allocation for cursor blinking. | From | Alan Cox <> | Date | Tue, 01 Aug 2006 23:17:40 +0100 |
| |
Ar Maw, 2006-08-01 am 14:56 -0400, ysgrifennodd Dave Jones: > + static u8 *src=NULL; > + static int allocsize=0;
s/=/ = /
> + if (dsize + sizeof(struct fb_image) != allocsize) { > + if (src != NULL) > + kfree(src); > + allocsize = dsize + sizeof(struct fb_image); > + > + src = kmalloc(allocsize, GFP_ATOMIC); > + if (!src) > + return -ENOMEM; > + }
If the allocation fails we have allocsize = "somesize" and src = NULL. The next time we enter the if is false and we fall through and Oops
Either check src in the if or set allocsize to something impossible (eg 0) on the error path.
NAK
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |