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hw/s390x/ccw: Replace dirname() with g_path_get_dirname()

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As commit 3e015d815b ("use g_path_get_basename instead of basename")
said, g_path_get_dirname() should be preferred over dirname() since
the former is a portable utility function that has the advantage of not
modifying the string argument.

Replace dirname() with g_path_get_dirname().

Suggested-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Message-ID: <20231221171921.57784-3-zhao1.liu@linux.intel.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Zhao Liu 2023-12-22 01:19:21 +08:00 committed by Thomas Huth
parent 469897ed43
commit 7af0cc147c
1 changed files with 3 additions and 1 deletions
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4
hw/s390x/s390-ccw.c
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@ -77,6 +77,7 @@ static void s390_ccw_get_dev_info(S390CCWDevice *cdev,
{
unsigned int cssid, ssid, devid;
char dev_path[PATH_MAX] = {0};
g_autofree char *tmp_dir = NULL;
g_autofree char *tmp = NULL;
if (!sysfsdev) {
@ -93,7 +94,8 @@ static void s390_ccw_get_dev_info(S390CCWDevice *cdev,
cdev->mdevid = g_path_get_basename(dev_path);
tmp = g_path_get_basename(dirname(dev_path));
tmp_dir = g_path_get_dirname(dev_path);
tmp = g_path_get_basename(tmp_dir);
if (sscanf(tmp, "%2x.%1x.%4x", &cssid, &ssid, &devid) != 3) {
error_setg_errno(errp, errno, "Failed to read %s", tmp);
return;