linux-kernel - [PATCH v4] erofs: fix build error with CONFIG_EROFS_FS_ZIP

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Message-ID: <20250718033039.3609-1-liubo03@inspur.com>
Date: Thu, 17 Jul 2025 23:30:39 -0400
From: Bo Liu <liubo03@...pur.com>
To: <xiang@...nel.org>, <chao@...nel.org>
CC: <linux-erofs@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>, Bo Liu
	<liubo03@...pur.com>
Subject: [PATCH v4] erofs: fix build error with CONFIG_EROFS_FS_ZIP_ACCEL=y

fix build err:
 ld.lld: error: undefined symbol: crypto_req_done
   referenced by decompressor_crypto.c
       fs/erofs/decompressor_crypto.o:(z_erofs_crypto_decompress) in archive vmlinux.a
   referenced by decompressor_crypto.c
       fs/erofs/decompressor_crypto.o:(z_erofs_crypto_decompress) in archive vmlinux.a

 ld.lld: error: undefined symbol: crypto_acomp_decompress
   referenced by decompressor_crypto.c
       fs/erofs/decompressor_crypto.o:(z_erofs_crypto_decompress) in archive vmlinux.a

 ld.lld: error: undefined symbol: crypto_alloc_acomp
   referenced by decompressor_crypto.c
       fs/erofs/decompressor_crypto.o:(z_erofs_crypto_enable_engine) in archive vmlinux.a

Reported-by: kernel test robot <lkp@...el.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202507161032.QholMPtn-lkp@intel.com/
Fixes: b4a29efc5146 ("erofs: support DEFLATE decompression by using Intel QAT")
Signed-off-by: Bo Liu <liubo03@...pur.com>

change since v3:
- change Kconfg to select CRYPTO and CRYPTO_DEFLATE

---
 fs/erofs/Kconfig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/erofs/Kconfig b/fs/erofs/Kconfig
index 6beeb7063871..7b26efc271ee 100644
--- a/fs/erofs/Kconfig
+++ b/fs/erofs/Kconfig
@@ -147,6 +147,8 @@ config EROFS_FS_ZIP_ZSTD
 config EROFS_FS_ZIP_ACCEL
 	bool "EROFS hardware decompression support"
 	depends on EROFS_FS_ZIP
+	select CRYPTO
+	select CRYPTO_DEFLATE
 	help
 	  Saying Y here includes hardware accelerator support for reading
 	  EROFS file systems containing compressed data.  It gives better
-- 
2.31.1