ui-tree: free read_sha1_file() buffer after use

[cgit.git] / filter.c

diff --git a/filter.c b/filter.c
index 949c931af1f67cb48df4554d6b1d7ca87d897ce2..70f5b749989c27e8bf1e87070066614805dbf5d6 100644 (file)
--- a/filter.c
+++ b/filter.c
@@ -42,6 +42,7 @@ void cgit_cleanup_filters(void)
 static int open_exec_filter(struct cgit_filter *base, va_list ap)
 {
        struct cgit_exec_filter *filter = (struct cgit_exec_filter *)base;
+       int pipe_fh[2];
        int i;
 
        for (i = 0; i < filter->base.argument_count; i++)
@@ -49,19 +50,19 @@ static int open_exec_filter(struct cgit_filter *base, va_list ap)
 
        filter->old_stdout = chk_positive(dup(STDOUT_FILENO),
                "Unable to duplicate STDOUT");
-       chk_zero(pipe(filter->pipe_fh), "Unable to create pipe to subprocess");
+       chk_zero(pipe(pipe_fh), "Unable to create pipe to subprocess");
        filter->pid = chk_non_negative(fork(), "Unable to create subprocess");
        if (filter->pid == 0) {
-               close(filter->pipe_fh[1]);
-               chk_non_negative(dup2(filter->pipe_fh[0], STDIN_FILENO),
+               close(pipe_fh[1]);
+               chk_non_negative(dup2(pipe_fh[0], STDIN_FILENO),
                        "Unable to use pipe as STDIN");
                execvp(filter->cmd, filter->argv);
                die_errno("Unable to exec subprocess %s", filter->cmd);
        }
-       close(filter->pipe_fh[0]);
-       chk_non_negative(dup2(filter->pipe_fh[1], STDOUT_FILENO),
+       close(pipe_fh[0]);
+       chk_non_negative(dup2(pipe_fh[1], STDOUT_FILENO),
                "Unable to use pipe as STDOUT");
-       close(filter->pipe_fh[1]);
+       close(pipe_fh[1]);
        return 0;
 }