From: Greg KH <gregkh@linuxfoundation.org>
To: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Cc: outreachy-kernel@googlegroups.com
Subject: Re: [Outreachy kernel] [PATCH 3/3] staging: lustre: lnet: Fix endian sparse warnings
Date: Sat, 24 Oct 2015 18:49:14 -0700 [thread overview]
Message-ID: <20151025014914.GB536@kroah.com> (raw)
In-Reply-To: <661be4508c123053e8c41b7810f53676fba06eb7.1445453573.git.amitoj1606@gmail.com>
On Thu, Oct 22, 2015 at 12:33:11AM +0530, Amitoj Kaur Chawla wrote:
> Fix bug found using sparse which generates the following warning:
>
> drivers/staging/lustre/lnet/lnet/lib-msg.c:72:37: warning: cast to
> restricted __le64
> drivers/staging/lustre/lnet/lnet/lib-msg.c:73:37: warning: cast to
> restricted __le32
> drivers/staging/lustre/lnet/lnet/lib-msg.c:116:42: warning: cast to
> restricted __le32
> drivers/staging/lustre/lnet/lnet/lib-msg.c:117:42: warning: cast to
> restricted __le64
> drivers/staging/lustre/lnet/lnet/lib-msg.c:118:42: warning: cast to
> restricted __le32
> drivers/staging/lustre/lnet/lnet/lib-msg.c:120:42: warning: cast to
> restricted __le32
> drivers/staging/lustre/lnet/lnet/lib-msg.c:121:42: warning: cast to
> restricted __le64
> drivers/staging/lustre/lnet/lnet/lib-msg.c:125:42: warning: cast to
> restricted __le32
> drivers/staging/lustre/lnet/lnet/lib-msg.c:126:42: warning: cast to
> restricted __le64
> drivers/staging/lustre/lnet/lnet/lib-msg.c:128:42: warning: cast to
> restricted __le32
> drivers/staging/lustre/lnet/lnet/lib-msg.c:129:42: warning: cast to
> restricted __le32
> drivers/staging/lustre/lnet/lnet/lib-msg.c:384:46: warning: incorrect
> type in assignment (different base types)
> drivers/staging/lustre/lnet/lnet/lib-msg.c:384:46: expected unsigned
> int [unsigned] [usertype] mlength
> drivers/staging/lustre/lnet/lnet/lib-msg.c:384:46: got restricted
> __le32 [usertype] <noident>
>
> Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
> ---
> drivers/staging/lustre/lnet/lnet/lib-msg.c | 24 ++++++++++++------------
> 1 file changed, 12 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/staging/lustre/lnet/lnet/lib-msg.c b/drivers/staging/lustre/lnet/lnet/lib-msg.c
> index 43977e8..4ad9a340 100644
> --- a/drivers/staging/lustre/lnet/lnet/lib-msg.c
> +++ b/drivers/staging/lustre/lnet/lnet/lib-msg.c
> @@ -69,8 +69,8 @@ lnet_build_msg_event(lnet_msg_t *msg, lnet_event_kind_t ev_type)
>
> if (ev_type == LNET_EVENT_SEND) {
> /* event for active message */
> - ev->target.nid = le64_to_cpu(hdr->dest_nid);
> - ev->target.pid = le32_to_cpu(hdr->dest_pid);
> + ev->target.nid = hdr->dest_nid;
> + ev->target.pid = hdr->dest_pid;
> ev->initiator.nid = LNET_NID_ANY;
> ev->initiator.pid = the_lnet.ln_pid;
> ev->sender = LNET_NID_ANY;
> @@ -113,20 +113,20 @@ lnet_build_msg_event(lnet_msg_t *msg, lnet_event_kind_t ev_type)
>
> case LNET_EVENT_SEND: /* active message */
> if (msg->msg_type == LNET_MSG_PUT) {
> - ev->pt_index = le32_to_cpu(hdr->msg.put.ptl_index);
> - ev->match_bits = le64_to_cpu(hdr->msg.put.match_bits);
> - ev->offset = le32_to_cpu(hdr->msg.put.offset);
> + ev->pt_index = hdr->msg.put.ptl_index;
> + ev->match_bits = hdr->msg.put.match_bits;
> + ev->offset = hdr->msg.put.offset;
> ev->mlength =
> - ev->rlength = le32_to_cpu(hdr->payload_length);
> - ev->hdr_data = le64_to_cpu(hdr->msg.put.hdr_data);
> + ev->rlength = hdr->payload_length;
> + ev->hdr_data = hdr->msg.put.hdr_data;
>
> } else {
> LASSERT(msg->msg_type == LNET_MSG_GET);
> - ev->pt_index = le32_to_cpu(hdr->msg.get.ptl_index);
> - ev->match_bits = le64_to_cpu(hdr->msg.get.match_bits);
> + ev->pt_index = hdr->msg.get.ptl_index;
> + ev->match_bits = hdr->msg.get.match_bits;
> ev->mlength =
> - ev->rlength = le32_to_cpu(hdr->msg.get.sink_length);
> - ev->offset = le32_to_cpu(hdr->msg.get.src_offset);
> + ev->rlength = hdr->msg.get.sink_length;
> + ev->offset = hdr->msg.get.src_offset;
> ev->hdr_data = 0;
> }
> return;
> @@ -381,7 +381,7 @@ lnet_complete_msg_locked(lnet_msg_t *msg, int cpt)
>
> msg->msg_hdr.msg.ack.dst_wmd = ack_wmd;
> msg->msg_hdr.msg.ack.match_bits = msg->msg_ev.match_bits;
> - msg->msg_hdr.msg.ack.mlength = cpu_to_le32(msg->msg_ev.mlength);
> + msg->msg_hdr.msg.ack.mlength = msg->msg_ev.mlength;
Same issue with this patch, I think you just broke things :(
prev parent reply other threads:[~2015-10-25 8:27 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-21 18:57 [PATCH 0/3] staging: Fix endian sparse warnings Amitoj Kaur Chawla
2015-10-21 18:59 ` [PATCH 1/3] staging: rts5208: " Amitoj Kaur Chawla
2015-10-25 2:38 ` [Outreachy kernel] " Greg KH
2015-10-21 19:01 ` [PATCH 2/3] staging: lustre: lmv: " Amitoj Kaur Chawla
2015-10-25 1:48 ` [Outreachy kernel] " Greg KH
2015-10-25 14:11 ` Amitoj Kaur Chawla
2015-10-21 19:03 ` [PATCH 3/3] staging: lustre: lnet: " Amitoj Kaur Chawla
2015-10-25 1:49 ` Greg KH [this message]
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