mdadm: check value returned by snprintf against errors

[thirdparty/mdadm.git] / lib.c

diff --git a/lib.c b/lib.c
index be093e8c30cbf0f490d0e3b860f3b22fd66b13ab..60890b95baf888762e0a1cf9c919e1314abf1285 100644 (file)
--- a/lib.c
+++ b/lib.c
@@ -61,7 +61,7 @@ int get_mdp_major(void)
        return mdp_major;
 }
 
-char *devid2kname(int devid)
+char *devid2kname(dev_t devid)
 {
        char path[30];
        char link[PATH_MAX];
@@ -73,8 +73,7 @@ char *devid2kname(int devid)
         * /sys/dev/block/%d:%d link which must look like
         * and take the last component.
         */
-       sprintf(path, "/sys/dev/block/%d:%d", major(devid),
-               minor(devid));
+       sprintf(path, "/sys/dev/block/%d:%d", major(devid), minor(devid));
        n = readlink(path, link, sizeof(link) - 1);
        if (n > 0) {
                link[n] = 0;