Forgot something

1 files changed, 3 insertions, 1 deletions

diff --git a/src/kernel/user/nullfs.c b/src/kernel/user/nullfs.c
index 5c6be94..79611ab 100644
--- a/src/kernel/user/nullfs.c
+++ b/src/kernel/user/nullfs.c
@@ -254,8 +254,10 @@ size_t nullfs_i_ram_write(void* fi, size_t offset, size_t len, const char* buf)
 		memcpy(new_buffer, f->data, f->size);
 		if (offset > f->size)
 			memset(new_buffer + f->size, 0, offset - f->size);
-		free(f->data);
+
+		if (f->data_owned) free(f->data);
 		f->data = new_buffer;
+		f->data_owned = true;
 		f->size = offset + len;
 	}