From 7b1e2d3c528c25cdd4691e3f8c1fdc3275e5de96 Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Tue, 7 Feb 2012 15:35:42 +1100 Subject: lockd: fix arg parsing for grace_period and timeout. commit de5b8e8e047534aac6bc9803f96e7257436aef9c upstream. If you try to set grace_period or timeout via a module parameter to lockd, and do this on a big-endian machine where sizeof(int) != sizeof(unsigned long) it won't work. This number given will be effectively shifted right by the difference in those two sizes. So cast kp->arg properly to get correct result. Signed-off-by: NeilBrown Signed-off-by: J. Bruce Fields Signed-off-by: Greg Kroah-Hartman --- fs/lockd/svc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/lockd') diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c index abfff9d7979..1743064cd0c 100644 --- a/fs/lockd/svc.c +++ b/fs/lockd/svc.c @@ -440,7 +440,7 @@ static int param_set_##name(const char *val, struct kernel_param *kp) \ __typeof__(type) num = which_strtol(val, &endp, 0); \ if (endp == val || *endp || num < (min) || num > (max)) \ return -EINVAL; \ - *((int *) kp->arg) = num; \ + *((type *) kp->arg) = num; \ return 0; \ } -- cgit v1.2.3 From 9740f1d824f30d9961ab406990e3a420299afb6f Mon Sep 17 00:00:00 2001 From: Al Viro Date: Fri, 13 Apr 2012 13:49:47 -0400 Subject: lockd: fix the endianness bug commit e847469bf77a1d339274074ed068d461f0c872bc upstream. comparing be32 values for < is not doing the right thing... Signed-off-by: Al Viro Cc: "J. Bruce Fields" Cc: Trond Myklebust Signed-off-by: Greg Kroah-Hartman --- fs/lockd/clnt4xdr.c | 2 +- fs/lockd/clntxdr.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'fs/lockd') diff --git a/fs/lockd/clnt4xdr.c b/fs/lockd/clnt4xdr.c index f848b52c67b..046bb77c601 100644 --- a/fs/lockd/clnt4xdr.c +++ b/fs/lockd/clnt4xdr.c @@ -241,7 +241,7 @@ static int decode_nlm4_stat(struct xdr_stream *xdr, __be32 *stat) p = xdr_inline_decode(xdr, 4); if (unlikely(p == NULL)) goto out_overflow; - if (unlikely(*p > nlm4_failed)) + if (unlikely(ntohl(*p) > ntohl(nlm4_failed))) goto out_bad_xdr; *stat = *p; return 0; diff --git a/fs/lockd/clntxdr.c b/fs/lockd/clntxdr.c index 180ac34feb9..36057cedac6 100644 --- a/fs/lockd/clntxdr.c +++ b/fs/lockd/clntxdr.c @@ -236,7 +236,7 @@ static int decode_nlm_stat(struct xdr_stream *xdr, p = xdr_inline_decode(xdr, 4); if (unlikely(p == NULL)) goto out_overflow; - if (unlikely(*p > nlm_lck_denied_grace_period)) + if (unlikely(ntohl(*p) > ntohl(nlm_lck_denied_grace_period))) goto out_enum; *stat = *p; return 0; -- cgit v1.2.3