diff options
Diffstat (limited to 'lib/sysfs_dir.c')
| -rw-r--r-- | lib/sysfs_dir.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/lib/sysfs_dir.c b/lib/sysfs_dir.c index af48032..1d730e7 100644 --- a/lib/sysfs_dir.c +++ b/lib/sysfs_dir.c @@ -182,10 +182,12 @@ int sysfs_write_attribute(struct sysfs_attribute *sysattr, sysattr->path); return -1; } - if ((strncmp(sysattr->value, new_value, sysattr->len)) == 0) { - dprintf("Attribute %s already has the requested value %s\n", - sysattr->name, new_value); - return 0; + if (sysattr->method & SYSFS_METHOD_SHOW) { + if ((strncmp(sysattr->value, new_value, sysattr->len)) == 0) { + dprintf("Attribute %s already has the requested value %s\n", + sysattr->name, new_value); + return 0; + } } /* * open O_WRONLY since some attributes have no "read" but only @@ -199,9 +201,8 @@ int sysfs_write_attribute(struct sysfs_attribute *sysattr, length = write(fd, new_value, strlen(new_value)); if (length < 0) { - perror("sysfs_write_attribute: write"); - dprintf("Error write to the attribute %s\n", - sysattr->path); + dprintf("Error writing to the attribute %s - invalid value?\n", + sysattr->name); close(fd); return -1; } |