On 12/21/23 18:19, Zhao Liu wrote:
From: Zhao Liu <zhao1....@intel.com>

g_path_get_basename() is a portable utility function that has the
advantage of not modifing the string argument, so it should be
preferred over basename().

And also to avoid potential compile breakage with the Musl C library
similar to [1], replace basename() with g_path_get_basename().

[1]: https://lore.kernel.org/all/20231212010228.2701544-1-raj.k...@gmail.com/

Suggested-by: Cédric Le Goater <c...@redhat.com>
Signed-off-by: Zhao Liu <zhao1....@intel.com>


Reviewed-by: Cédric Le Goater <c...@redhat.com>

Thanks,

C.


---
Suggested by credit:
   Cédric: Referred his description of similar cleanup in vfio/container.
---
  hw/s390x/s390-ccw.c | 5 +++--
  1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/hw/s390x/s390-ccw.c b/hw/s390x/s390-ccw.c
index e2d86d96e728..ab7022a3abe8 100644
--- a/hw/s390x/s390-ccw.c
+++ b/hw/s390x/s390-ccw.c
@@ -76,7 +76,8 @@ static void s390_ccw_get_dev_info(S390CCWDevice *cdev,
                                    Error **errp)
  {
      unsigned int cssid, ssid, devid;
-    char dev_path[PATH_MAX] = {0}, *tmp;
+    char dev_path[PATH_MAX] = {0};
+    g_autofree char *tmp = NULL;
if (!sysfsdev) {
          error_setg(errp, "No host device provided");
@@ -92,7 +93,7 @@ static void s390_ccw_get_dev_info(S390CCWDevice *cdev,
cdev->mdevid = g_path_get_basename(dev_path); - tmp = basename(dirname(dev_path));
+    tmp = g_path_get_basename(dirname(dev_path));
      if (sscanf(tmp, "%2x.%1x.%4x", &cssid, &ssid, &devid) != 3) {
          error_setg_errno(errp, errno, "Failed to read %s", tmp);
          return;


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