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-rw-r--r--xdiff-interface.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/xdiff-interface.c b/xdiff-interface.c
index d782f06d99..b9b0db8d86 100644
--- a/xdiff-interface.c
+++ b/xdiff-interface.c
@@ -15,11 +15,10 @@ static int parse_num(char **cp_p, int *num_p)
{
char *cp = *cp_p;
int num = 0;
- int read_some;
while ('0' <= *cp && *cp <= '9')
num = num * 10 + *cp++ - '0';
- if (!(read_some = cp - *cp_p))
+ if (!(cp - *cp_p))
return -1;
*cp_p = cp;
*num_p = num;