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
| ||
|
Message-ID: <56151BDF.8010504@dev.mellanox.co.il> Date: Wed, 7 Oct 2015 16:19:27 +0300 From: Sagi Grimberg <sagig@....mellanox.co.il> To: Arnd Bergmann <arnd@...db.de>, Doug Ledford <dledford@...hat.com>, Sean Hefty <sean.hefty@...el.com>, Hal Rosenstock <hal.rosenstock@...il.com> Cc: Roland Dreier <roland@...estorage.com>, linux-rdma@...r.kernel.org, Matan Barak <matanb@...lanox.com>, Or Gerlitz <ogerlitz@...lanox.com>, linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org Subject: Re: [PATCH] IB/core: avoid 32-bit warning On 10/7/2015 3:29 PM, Arnd Bergmann wrote: > The INIT_UDATA() macro requires a pointer or unsigned long argument for > both input and output buffer, and all callers had a cast from when > the code was merged until a recent restructuring, so now we get > > core/uverbs_cmd.c: In function 'ib_uverbs_create_cq': > core/uverbs_cmd.c:1481:66: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] > > This makes the code behave as before by adding back the cast to > unsigned long. > > Signed-off-by: Arnd Bergmann <arnd@...db.de> > Fixes: 565197dd8fb1 ("IB/core: Extend ib_uverbs_create_cq") > > diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c > index be4cb9f04be3..88b3b78340f2 100644 > --- a/drivers/infiniband/core/uverbs_cmd.c > +++ b/drivers/infiniband/core/uverbs_cmd.c > @@ -1478,7 +1478,7 @@ ssize_t ib_uverbs_create_cq(struct ib_uverbs_file *file, > if (copy_from_user(&cmd, buf, sizeof(cmd))) > return -EFAULT; > > - INIT_UDATA(&ucore, buf, cmd.response, sizeof(cmd), sizeof(resp)); > + INIT_UDATA(&ucore, buf, (unsigned long)cmd.response, sizeof(cmd), sizeof(resp)); Would it make sense to cast inside INIT_UDATA() and not have callers worry about it? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists