netdev - Re: [PATCH] zd1211rw: Readd zd_addr

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Sat, 10 Feb 2007 07:02:14 +0100
From:	Michael Buesch <mb@...sch.de>
To:	Daniel Drake <dsd@...too.org>
Cc:	linville@...driver.com, netdev@...r.kernel.org,
	linux-wireless@...r.kernel.org, kune@...ne-taler.de,
	rpjday@...dspring.com
Subject: Re: [PATCH] zd1211rw: Readd zd_addr_t cast

On Saturday 10 February 2007 02:27, Daniel Drake wrote:
> Robert P.J. Day's recent commit ("getting rid of all casts of k[cmz]alloc()
> calls") introduced a sparse warning for zd1211rw, related to our type-checking
> of addresses.
> 
> 	zd_chip.c:116:15: warning: implicit cast to nocast type
> 
> This patch readds the type cast, it is correct.
> 
> Signed-off-by: Daniel Drake <dsd@...too.org>
> 
> Index: linux/drivers/net/wireless/zd1211rw/zd_chip.c
> ===================================================================
> --- linux.orig/drivers/net/wireless/zd1211rw/zd_chip.c
> +++ linux/drivers/net/wireless/zd1211rw/zd_chip.c
> @@ -113,7 +113,7 @@ int zd_ioread32v_locked(struct zd_chip *
>  
>  	/* Allocate a single memory block for values and addresses. */
>  	count16 = 2*count;
> -	a16 = kmalloc(count16 * (sizeof(zd_addr_t) + sizeof(u16)),
> +	a16 = (zd_addr_t *) kmalloc(count16 * (sizeof(zd_addr_t) + sizeof(u16)),
>  		                   GFP_NOFS);

Unrelated, but I am wondering since quite some time why you pass GFP_NOFS here.
Any special reason? I think in general there is no good reason for code outside
of the VFS to use this flag.
IMHO you should pass either GFP_ATOMIC or GFP_KERNEL.
-
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html