Patch "xtensa: boot/lib: fix function prototypes" has been added to the 5.4-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    xtensa: boot/lib: fix function prototypes

to the 5.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     xtensa-boot-lib-fix-function-prototypes.patch
and it can be found in the queue-5.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 91ac829024db3b49a7b3ac9820b11b58273c5f91
Author: Max Filippov <jcmvbkbc@xxxxxxxxx>
Date:   Wed Sep 20 04:41:09 2023 -0700

    xtensa: boot/lib: fix function prototypes
    
    [ Upstream commit f54d02c8f2cc4b46ba2a3bd8252a6750453b6f2b ]
    
    Add function prototype for gunzip() to the boot library code and make
    exit() and zalloc() static.
    
    arch/xtensa/boot/lib/zmem.c:8:6: warning: no previous prototype for 'exit' [-Wmissing-prototypes]
        8 | void exit (void)
    arch/xtensa/boot/lib/zmem.c:13:7: warning: no previous prototype for 'zalloc' [-Wmissing-prototypes]
       13 | void *zalloc(unsigned size)
    arch/xtensa/boot/lib/zmem.c:35:6: warning: no previous prototype for 'gunzip' [-Wmissing-prototypes]
       35 | void gunzip (void *dst, int dstlen, unsigned char *src, int *lenp)
    
    Fixes: 4bedea945451 ("xtensa: Architecture support for Tensilica Xtensa Part 2")
    Fixes: e7d163f76665 ("xtensa: Removed local copy of zlib and fixed O= support")
    Suggested-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
    Signed-off-by: Max Filippov <jcmvbkbc@xxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/arch/xtensa/boot/lib/zmem.c b/arch/xtensa/boot/lib/zmem.c
index e3ecd743c5153..b89189355122a 100644
--- a/arch/xtensa/boot/lib/zmem.c
+++ b/arch/xtensa/boot/lib/zmem.c
@@ -4,13 +4,14 @@
 /* bits taken from ppc */
 
 extern void *avail_ram, *end_avail;
+void gunzip(void *dst, int dstlen, unsigned char *src, int *lenp);
 
-void exit (void)
+static void exit(void)
 {
   for (;;);
 }
 
-void *zalloc(unsigned size)
+static void *zalloc(unsigned int size)
 {
         void *p = avail_ram;