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json_script: fix a segfault in the file free handler

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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
This commit is contained in:
Felix Fietkau 2014-05-26 15:53:29 +02:00
parent 4436338588
commit 1344d20ec0
1 changed files with 10 additions and 4 deletions
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14
json_script.c
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@ -582,12 +582,18 @@ void json_script_run(struct json_script_ctx *ctx, const char *name,
json_script_run_file(ctx, file, vars);
}
static void __json_script_file_free(struct json_script_ctx *ctx, struct json_script_file *f)
static void __json_script_file_free(struct json_script_file *f)
{
struct json_script_file *next;
for (next = f->next; f; f = next, next = f->next)
free(f);
if (!f)
return;
next = f->next;
free(f);
if (next)
return __json_script_file_free(next);
}
void
@ -596,7 +602,7 @@ json_script_free(struct json_script_ctx *ctx)
struct json_script_file *f, *next;
avl_remove_all_elements(&ctx->files, f, avl, next)
__json_script_file_free(ctx, f);
__json_script_file_free(f);
blob_buf_free(&ctx->buf);
}