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@xxxxxxx>
---
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)
--
2.43.0
