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Re: [Qemu-devel] [PATCH v2] 9p: Convert use of atoi to qemu_strtoi to al
From: |
Eric Blake |
Subject: |
Re: [Qemu-devel] [PATCH v2] 9p: Convert use of atoi to qemu_strtoi to allow error checking |
Date: |
Mon, 12 Mar 2018 10:43:11 -0500 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 |
On 03/12/2018 10:33 AM, Nia Alarie wrote:
Signed-off-by: Nia Alarie <address@hidden>
---
hw/9pfs/9p.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
Helping out our CI tools:
Based-on: <address@hidden>
diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c
index 48fa48e720..254385dfa4 100644
--- a/hw/9pfs/9p.c
+++ b/hw/9pfs/9p.c
@@ -15,6 +15,7 @@
#include <glib/gprintf.h>
#include "hw/virtio/virtio.h"
#include "qapi/error.h"
+#include "qemu/cutils.h"
#include "qemu/error-report.h"
#include "qemu/iov.h"
#include "qemu/sockets.h"
@@ -2213,8 +2214,14 @@ static void coroutine_fn v9fs_create(void *opaque)
}
v9fs_path_copy(&fidp->path, &path);
} else if (perm & P9_STAT_MODE_LINK) {
- int32_t ofid = atoi(extension.data);
- V9fsFidState *ofidp = get_fid(pdu, ofid);
+ int ofid;
'unsigned int' and...
+ V9fsFidState *ofidp;
+
+ if (qemu_strtoi(extension.data, NULL, 10, &ofid)) {
qemu_strtoui() might be smarter, per Greg's comments on v1.
+ err = -EINVAL;
+ goto out;
+ }
+ ofidp = get_fid(pdu, (int32_t)ofid);
This cast is spurious.
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3266
Virtualization: qemu.org | libvirt.org