[PATCH] arm: add definition of strstr() to decompress.c

[Shawn Landden]

include/linux/dynamic_debug.h uses strstr from <linux/string.h>
and is included via <linux/kernel.h> from lib/xz/xz_private.h
when CONFIG_KERNEL_XZ=y.

However arch/arm/boot/compressed/decompress.c defines _LINUX_STRING_H
preventing the load of <linux/string.h> resulting in:

include/linux/dynamic_debug.h:111:2: error: implicit declaration of function âstrstrâ

Define strstr in arch/arm/boot/compressed/decompress.c, providing the needed
subset of <linux/string.h>.

Signed-off-by: Shawn Landden <shawnlandden@xxxxxxxxx>
---
 arch/arm/boot/compressed/decompress.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/compressed/decompress.c b/arch/arm/boot/compressed/decompress.c
index f41b38c..cdc3cd4 100644
--- a/arch/arm/boot/compressed/decompress.c
+++ b/arch/arm/boot/compressed/decompress.c
@@ -47,6 +47,7 @@ extern void error(char *);
 #ifdef CONFIG_KERNEL_XZ
 #define memmove memmove
 #define memcpy memcpy
+extern char * strstr(const char *, const char *);
 #include "../../../../lib/decompress_unxz.c"
 #endif
 
-- 
1.7.9.5


--=-UF/rFVtwW+Ic3UVnmzLs--

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