Python 3.6 introduced a DeprecationWarning for invalid escape sequences.
This is upgraded to a SyntaxWarning in Python 3.12, and will eventually
be a syntax error.

Fix these now to get ahead of it before it's an error.

Signed-off-by: Benjamin Gray <bgray@linux.ibm.com>
---
 arch/ia64/scripts/unwcheck.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/ia64/scripts/unwcheck.py b/arch/ia64/scripts/unwcheck.py
index 9581742f0db2..f66f4015891b 100644
--- a/arch/ia64/scripts/unwcheck.py
+++ b/arch/ia64/scripts/unwcheck.py
@@ -21,7 +21,7 @@ if len(sys.argv) != 2:
 
 readelf = os.getenv("READELF", "readelf")
 
-start_pattern = re.compile("<([^>]*)>: \[0x([0-9a-f]+)-0x([0-9a-f]+)\]")
+start_pattern = re.compile("<([^>]*)>: \\[0x([0-9a-f]+)-0x([0-9a-f]+)\\]")
 rlen_pattern  = re.compile(".*rlen=([0-9]+)")
 
 def check_func (func, slots, rlen_sum):
-- 
2.41.0