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Subject[PATCH AUTOSEL 4.19 19/29] scripts/decode_stacktrace: match basepath using shell prefix operator, not regex
Date
From: Nicolas Boichat <drinkcat@chromium.org>

[ 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(-)

diff --git a/scripts/decode_stacktrace.sh b/scripts/decode_stacktrace.sh
index c4a9ddb174bc5..5aa75a0a1cede 100755
--- a/scripts/decode_stacktrace.sh
+++ b/scripts/decode_stacktrace.sh
@@ -78,7 +78,7 @@ 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'/' '}
--
2.20.1
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