[PATCH 3/7] lib/math/int_log: drop WARN_ON for value == 0

[Jia He <justin.he@arm.com>]

intlog2(0) and intlog10(0) already return 0, and the math-int_log
kunit suite passes {0, 0} as a valid input. The leftover WARN_ON(1) on
that path produces a backtrace per test run. Just remove it.

Signed-off-by: Jia He <justin.he@arm.com>
---
 lib/math/int_log.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/lib/math/int_log.c b/lib/math/int_log.c
index 8f9da3a2ad39..8585207cbe7f 100644
--- a/lib/math/int_log.c
+++ b/lib/math/int_log.c
@@ -59,10 +59,8 @@ unsigned int intlog2(u32 value)
 	unsigned int significand;
 	unsigned int interpolation;
 
-	if (unlikely(value == 0)) {
-		WARN_ON(1);
+	if (unlikely(value == 0))
 		return 0;
-	}
 
 	/* first detect the msb (count begins at 0) */
 	msb = fls(value) - 1;
@@ -116,10 +114,8 @@ unsigned int intlog10(u32 value)
 	 */
 	u64 log;
 
-	if (unlikely(value == 0)) {
-		WARN_ON(1);
+	if (unlikely(value == 0))
 		return 0;
-	}
 
 	log = intlog2(value);
 
-- 
2.34.1