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dev: also check for blank sysfs value containing only '\n'

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This commit is contained in:
Peter Rajnoha 2016-03-22 09:29:24 +01:00
parent e69e81388d
commit 2a47f0957f
1 changed files with 1 additions and 1 deletions
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lib/device/dev-cache.c
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@ -379,7 +379,7 @@ static int _get_sysfs_value(const char *path, char *buf, size_t buf_size)
return 0; return 0;
} }
if (!(len = strlen(buf))) { if (!(len = strlen(buf)) || (len == 1 && buf[0] == '\n')) {
log_error("_get_sysfs_value: %s: no value", path); log_error("_get_sysfs_value: %s: no value", path);
return 0; return 0;
} }