Fix a BUG_ON from 2009. Even if it looks "unreachable" (I didn't
really look), lets make sure by removing it, doing pr_err and return
-EINVAL instead.
cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Jim Cromie <jim.cromie@xxxxxxxxx>
---
lib/dynamic_debug.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index c78f335fa981..f2c5e7910bb1 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -302,7 +302,11 @@ static int ddebug_tokenize(char *buf, char *words[], int maxwords)
} else {
for (end = buf; *end && !isspace(*end); end++)
;
- BUG_ON(end == buf);
+ if (end == buf) {
+ pr_err("parse err after word:%d=%s\n", nwords,
+ nwords ? words[nwords - 1] : "<none>");
+ return -EINVAL;
+ }
}
/* `buf' is start of word, `end' is one past its end */
--
2.44.0
