From: Emil Velikov <emil.l.velikov@xxxxxxxxx> These are used to protect a free(file->memory), within their respective unload functions. Where the sole caller of the unload function already does a NULL check prior. Even so, free(NULL) is guaranteed to be safe by the standard. Signed-off-by: Emil Velikov <emil.l.velikov@xxxxxxxxx> --- libkmod/libkmod-file.c | 12 ------------ 1 file changed, 12 deletions(-) diff --git a/libkmod/libkmod-file.c b/libkmod/libkmod-file.c index 9a014ea..abd4723 100644 --- a/libkmod/libkmod-file.c +++ b/libkmod/libkmod-file.c @@ -48,12 +48,6 @@ struct file_ops { }; struct kmod_file { -#ifdef ENABLE_ZSTD - bool zstd_used; -#endif -#ifdef ENABLE_XZ - bool xz_used; -#endif int fd; enum kmod_file_compression_type compression; off_t size; @@ -176,7 +170,6 @@ static int load_zstd(struct kmod_file *file) ZSTD_freeDStream(dstr); free((void *)zst_inb.src); - file->zstd_used = true; file->memory = zst_outb.dst; file->size = zst_outb.pos; return 0; @@ -190,8 +183,6 @@ out: static void unload_zstd(struct kmod_file *file) { - if (!file->zstd_used) - return; free(file->memory); } @@ -269,7 +260,6 @@ static int xz_uncompress(lzma_stream *strm, struct kmod_file *file) goto out; } } - file->xz_used = true; file->memory = p; file->size = total; return 0; @@ -299,8 +289,6 @@ static int load_xz(struct kmod_file *file) static void unload_xz(struct kmod_file *file) { - if (!file->xz_used) - return; free(file->memory); } -- 2.43.0