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zdev: Use util_readlink() for consistent error handling

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Avoid code duplication and inconsistent error handling by replacing
readlink() with util_readlink(), which is used project-wide to
standardize readlink() usage.

Reviewed-by: Jan Höppner <hoeppner@linux.ibm.com>
Signed-off-by: Jan Polensky <japo@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Jan Polensky
2025-10-07 17:12:14 +02:00
committed by Jan Höppner
parent dd818ccc15
commit 8ad28f7856
7 changed files with 17 additions and 10 deletions
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zdev/src/ccw.c
+3 -2
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@@ -14,6 +14,7 @@
#include <stdlib.h>
#include <string.h>
#include "lib/util_libc.h"
#include "lib/util_path.h"
#include "attrib.h"
@@ -533,7 +534,7 @@ char *ccw_get_driver(struct ccw_devid *devid)
id = ccw_devid_to_str(devid);
path = path_get_ccw_device(NULL, id);
driver_path = misc_asprintf("%s/driver", path);
link = misc_readlink(driver_path);
link = util_readlink(driver_path);
if (link)
drv = misc_strdup(basename(link));
free(link);
@@ -552,7 +553,7 @@ static char *ccw_get_module(struct ccw_devid *devid)
id = ccw_devid_to_str(devid);
path = path_get_ccw_device(NULL, id);
driver_path = misc_asprintf("%s/driver/module", path);
link = misc_readlink(driver_path);
link = util_readlink(driver_path);
if (link)
module = misc_strdup(basename(link));
free(link);