The dynamic error message printed if CONFIG_RD_$ALG compression support is missing needn't be propagated up to the caller via a static buffer. Print it immediately via pr_err() and set @message to a const string to flag error.
Before: text data bss dec hex filename 7695 1102 8 8805 2265 ./init/initramfs.o
After: text data bss dec hex filename 7683 1006 8 8697 21f9 ./init/initramfs.o
Signed-off-by: David Disseldorp ddiss@suse.de --- init/initramfs.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-)
diff --git a/init/initramfs.c b/init/initramfs.c index 99f3cac10d392..f946b7680867b 100644 --- a/init/initramfs.c +++ b/init/initramfs.c @@ -511,7 +511,6 @@ char * __init unpack_to_rootfs(char *buf, unsigned long len) long written; decompress_fn decompress; const char *compress_name; - static __initdata char msg_buf[64];
/* * @cpio_buf can be used for staging the 110 byte newc/crc cpio header, @@ -551,12 +550,9 @@ char * __init unpack_to_rootfs(char *buf, unsigned long len) if (res) error("decompressor failed"); } else if (compress_name) { - if (!message) { - snprintf(msg_buf, sizeof msg_buf, - "compression method %s not configured", - compress_name); - message = msg_buf; - } + pr_err("compression method %s not configured\n", + compress_name); + error("decompressor failed"); } else error("invalid magic at start of compressed archive"); if (state != Reset)