linux-kernel - [PATCH v3 3/3] kdb: Remove fallback interpretation of arbitrary numbers as hex

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Message-ID: <20241026150040.GC892629@lichtman.org>
Date: Sat, 26 Oct 2024 15:00:40 +0000
From: Nir Lichtman <nir@...htman.org>
To: kgdb-bugreport@...ts.sourceforge.net,
	linux-trace-kernel@...r.kernel.org
Cc: yuran.pereira@...mail.com, jason.wessel@...driver.com,
	daniel.thompson@...aro.org, dianders@...omium.org,
	rostedt@...dmis.org, mhiramat@...nel.org,
	linux-kernel@...r.kernel.org,
	linux-kernel-mentees@...ts.linuxfoundation.org
Subject: [PATCH v3 3/3] kdb: Remove fallback interpretation of arbitrary
 numbers as hex

Remove logic that enables a fallback of interpreting numbers supplied in KDB CLI
to be interpreted as hex without explicit "0x" prefix as this can be confusing
for the end users.

Suggested-by: Douglas Anderson <dianders@...omium.org>
Signed-off-by: Nir Lichtman <nir@...htman.org>

---
 kernel/debug/kdb/kdb_main.c | 16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
index 930de4fdc708..d929a4335078 100644
--- a/kernel/debug/kdb/kdb_main.c
+++ b/kernel/debug/kdb/kdb_main.c
@@ -402,23 +402,15 @@ static void kdb_printenv(void)
  */
 int kdbgetularg(const char *arg, unsigned long *value)
 {
-	/*
-	 * If the first fails, also try base 16, for us
-	 * folks too lazy to type the leading 0x...
-	 */
-	if (kstrtoul(arg, 0, value)) {
-		if (kstrtoul(arg, 16, value))
-			return KDB_BADINT;
-	}
+	if (kstrtoul(arg, 0, value))
+		return KDB_BADINT;
 	return 0;
 }
 
 int kdbgetu64arg(const char *arg, u64 *value)
 {
-	if (kstrtou64(arg, 0, value)) {
-		if (kstrtou64(arg, 16, value))
-			return KDB_BADINT;
-	}
+	if (kstrtou64(arg, 0, value))
+		return KDB_BADINT;
 	return 0;
 }
 
-- 
2.39.2