Re: [PATCH] libvhost-user: Add GCC_FMT_ATTR and fix format string

[Marc-André Lureau]

On Fri, Aug 28, 2020 at 1:10 AM Stefan Weil <sw@weilnetz.de> wrote:

Signed-off-by: Stefan Weil <sw@weilnetz.de>

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>

---
 contrib/libvhost-user/libvhost-user.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/contrib/libvhost-user/libvhost-user.c b/contrib/libvhost-user/libvhost-user.c
index 53f16bdf08..ff7ac876f4 100644
--- a/contrib/libvhost-user/libvhost-user.c
+++ b/contrib/libvhost-user/libvhost-user.c
@@ -151,7 +151,7 @@ vu_request_to_string(unsigned int req)
     }
 }

-static void
+static void GCC_FMT_ATTR(2, 3)
 vu_panic(VuDev *dev, const char *msg, ...)
 {
     char *buf = NULL;
@@ -643,7 +643,7 @@ generate_faults(VuDev *dev) {

         if (ioctl(dev->postcopy_ufd, UFFDIO_REGISTER, &reg_struct)) {
             vu_panic(dev, "%s: Failed to userfault region %d "
-                          "@%p + size:%zx offset: %zx: (ufd=%d)%s\n",
+                          "@%016"PRIx64" + size:%zx offset: %zx: (ufd=%d)%s\n",
                      __func__, i,
                      dev_region->mmap_addr,
                      dev_region->size, dev_region->mmap_offset,
--
2.28.0

--

Marc-André Lureau