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Diffstat (limited to 'tools/usb/usbip/src/utils.c')
-rw-r--r--tools/usb/usbip/src/utils.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/tools/usb/usbip/src/utils.c b/tools/usb/usbip/src/utils.c
index 2b3d6d235015..3d7b42e77299 100644
--- a/tools/usb/usbip/src/utils.c
+++ b/tools/usb/usbip/src/utils.c
@@ -30,6 +30,7 @@ int modify_match_busid(char *busid, int add)
30 char command[SYSFS_BUS_ID_SIZE + 4]; 30 char command[SYSFS_BUS_ID_SIZE + 4];
31 char match_busid_attr_path[SYSFS_PATH_MAX]; 31 char match_busid_attr_path[SYSFS_PATH_MAX];
32 int rc; 32 int rc;
33 int cmd_size;
33 34
34 snprintf(match_busid_attr_path, sizeof(match_busid_attr_path), 35 snprintf(match_busid_attr_path, sizeof(match_busid_attr_path),
35 "%s/%s/%s/%s/%s/%s", SYSFS_MNT_PATH, SYSFS_BUS_NAME, 36 "%s/%s/%s/%s/%s/%s", SYSFS_MNT_PATH, SYSFS_BUS_NAME,
@@ -37,12 +38,14 @@ int modify_match_busid(char *busid, int add)
37 attr_name); 38 attr_name);
38 39
39 if (add) 40 if (add)
40 snprintf(command, SYSFS_BUS_ID_SIZE + 4, "add %s", busid); 41 cmd_size = snprintf(command, SYSFS_BUS_ID_SIZE + 4, "add %s",
42 busid);
41 else 43 else
42 snprintf(command, SYSFS_BUS_ID_SIZE + 4, "del %s", busid); 44 cmd_size = snprintf(command, SYSFS_BUS_ID_SIZE + 4, "del %s",
45 busid);
43 46
44 rc = write_sysfs_attribute(match_busid_attr_path, command, 47 rc = write_sysfs_attribute(match_busid_attr_path, command,
45 sizeof(command)); 48 cmd_size);
46 if (rc < 0) { 49 if (rc < 0) {
47 dbg("failed to write match_busid: %s", strerror(errno)); 50 dbg("failed to write match_busid: %s", strerror(errno));
48 return -1; 51 return -1;