From 7ab6e38aec38e1077679b35d93b28d70b756c853 Mon Sep 17 00:00:00 2001
From: Nicolas Boichat <drinkcat@chromium.org>
Date: Thu, 11 Jul 2019 20:52:27 -0700
Subject: scripts/decode_stacktrace: match basepath using shell prefix
 operator, not regex

[ Upstream commit 31013836a71e07751a6827f9d2ad41ef502ddaff ]

The basepath may contain special characters, which would confuse the regex
matcher.  ${var#prefix} does the right thing.

Link: http://lkml.kernel.org/r/20190518055946.181563-1-drinkcat@chromium.org
Fixes: 67a28de47faa8358 ("scripts/decode_stacktrace: only strip base path when a prefix of the path")
Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 scripts/decode_stacktrace.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'scripts')

diff --git a/scripts/decode_stacktrace.sh b/scripts/decode_stacktrace.sh
index ffc46c7c3afb..4f5e76f76b9d 100755
--- a/scripts/decode_stacktrace.sh
+++ b/scripts/decode_stacktrace.sh
@@ -64,7 +64,7 @@ parse_symbol() {
 	fi
 
 	# Strip out the base of the path
-	code=${code//^$basepath/""}
+	code=${code#$basepath/}
 
 	# In the case of inlines, move everything to same line
 	code=${code//$'\n'/' '}
-- 
cgit v1.2.3