[mini-os master] Mini-OS: fix 9pfs stat receive format

[patchbot@xxxxxxx]

commit 02c0e51fc9ab7cf404414431de224a62a62f558d
Author:     Juergen Gross <jgross@xxxxxxxx>
AuthorDate: Tue Nov 21 10:49:52 2023 +0100
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Tue Nov 21 21:05:11 2023 +0000

    Mini-OS: fix 9pfs stat receive format
    
    The format string of the received data for the 9pfs stat command is
    missing the initial 2 byte total length specifier. Add it.
    
    Fixes: 2d1dfccd3aa3 ("Mini-OS: add read and write support to 9pfsfront")
    Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
    Reviewed-by: Jason Andryuk <jandryuk@xxxxxxxxx>
---
 9pfront.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/9pfront.c b/9pfront.c
index 5da8a36..43c7409 100644
--- a/9pfront.c
+++ b/9pfront.c
@@ -711,6 +711,7 @@ static int p9_create(struct dev_9pfs *dev, uint32_t fid, 
char *path,
 static int p9_stat(struct dev_9pfs *dev, uint32_t fid, struct p9_stat *stat)
 {
     struct req *req = get_free_req(dev);
+    uint16_t total;
     int ret;
 
     if ( !req )
@@ -719,10 +720,10 @@ static int p9_stat(struct dev_9pfs *dev, uint32_t fid, 
struct p9_stat *stat)
     memset(stat, 0, sizeof(*stat));
     req->cmd = P9_CMD_STAT;
     send_9p(dev, req, "U", fid);
-    rcv_9p(dev, req, "uuUQUUULSSSSSUUU", &stat->size, &stat->type, &stat->dev,
-           stat->qid, &stat->mode, &stat->atime, &stat->mtime, &stat->length,
-           &stat->name, &stat->uid, &stat->gid, &stat->muid, &stat->extension,
-           &stat->n_uid, &stat->n_gid, &stat->n_muid);
+    rcv_9p(dev, req, "uuuUQUUULSSSSSUUU", &total, &stat->size, &stat->type,
+           &stat->dev, stat->qid, &stat->mode, &stat->atime, &stat->mtime,
+           &stat->length, &stat->name, &stat->uid, &stat->gid, &stat->muid,
+           &stat->extension, &stat->n_uid, &stat->n_gid, &stat->n_muid);
 
     ret = req->result;
 
--
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