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-rw-r--r--src/kernel/user/nullfs.c4
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;
}