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-rw-r--r--lib/xz/Kconfig24
-rw-r--r--lib/xz/xz_dec_lzma2.c4
2 files changed, 16 insertions, 12 deletions
diff --git a/lib/xz/Kconfig b/lib/xz/Kconfig
index 08837db52d9..12d2d777f36 100644
--- a/lib/xz/Kconfig
+++ b/lib/xz/Kconfig
@@ -9,33 +9,33 @@ config XZ_DEC
if XZ_DEC
config XZ_DEC_X86
- bool "x86 BCJ filter decoder"
- default y if X86
+ bool "x86 BCJ filter decoder" if EXPERT
+ default y
select XZ_DEC_BCJ
config XZ_DEC_POWERPC
- bool "PowerPC BCJ filter decoder"
- default y if PPC
+ bool "PowerPC BCJ filter decoder" if EXPERT
+ default y
select XZ_DEC_BCJ
config XZ_DEC_IA64
- bool "IA-64 BCJ filter decoder"
- default y if IA64
+ bool "IA-64 BCJ filter decoder" if EXPERT
+ default y
select XZ_DEC_BCJ
config XZ_DEC_ARM
- bool "ARM BCJ filter decoder"
- default y if ARM
+ bool "ARM BCJ filter decoder" if EXPERT
+ default y
select XZ_DEC_BCJ
config XZ_DEC_ARMTHUMB
- bool "ARM-Thumb BCJ filter decoder"
- default y if (ARM && ARM_THUMB)
+ bool "ARM-Thumb BCJ filter decoder" if EXPERT
+ default y
select XZ_DEC_BCJ
config XZ_DEC_SPARC
- bool "SPARC BCJ filter decoder"
- default y if SPARC
+ bool "SPARC BCJ filter decoder" if EXPERT
+ default y
select XZ_DEC_BCJ
endif
diff --git a/lib/xz/xz_dec_lzma2.c b/lib/xz/xz_dec_lzma2.c
index a6cdc969ea4..08c3c804999 100644
--- a/lib/xz/xz_dec_lzma2.c
+++ b/lib/xz/xz_dec_lzma2.c
@@ -1043,6 +1043,8 @@ XZ_EXTERN enum xz_ret xz_dec_lzma2_run(struct xz_dec_lzma2 *s,
s->lzma2.sequence = SEQ_LZMA_PREPARE;
+ /* Fall through */
+
case SEQ_LZMA_PREPARE:
if (s->lzma2.compressed < RC_INIT_BYTES)
return XZ_DATA_ERROR;
@@ -1053,6 +1055,8 @@ XZ_EXTERN enum xz_ret xz_dec_lzma2_run(struct xz_dec_lzma2 *s,
s->lzma2.compressed -= RC_INIT_BYTES;
s->lzma2.sequence = SEQ_LZMA_RUN;
+ /* Fall through */
+
case SEQ_LZMA_RUN:
/*
* Set dictionary limit to indicate how much we want