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-rw-r--r--drivers/ata/libata-core.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index d696999..68699b3 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4014,8 +4014,14 @@ int strn_pattern_cmp(const char *patt, const char *name, int wildchar)
p = strchr(patt, wildchar);
if (p && ((*(p + 1)) == 0))
len = p - patt;
- else
+ else {
len = strlen(name);
+ if (!len) {
+ if (!*patt)
+ return 0;
+ return -1;
+ }
+ }
return strncmp(patt, name, len);
}
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