Upstream-Status: Pending

This patch quitens this error:

| make[3]: Entering directory
`/home/nitin/builds/build0/tmp/work/x86_64-linux/grub-efi-i586-native-1.99-r7/grub-1.99/grub-core'
| gcc -DHAVE_CONFIG_H -I. -I..  -Wall -W -I../include -I../include 
-DGRUB_MACHINE_EFI=1 -DGRUB_MACHINE=I386_EFI -nostdinc -isystem
/usr/lib/gcc/x86_64-redhat-linux/4.7.0/include -DGRUB_FILE=\"fs/btrfs.c\" -I.
-I. -I.. -I.. -I../include -I../include   
-isystem/home/nitin/builds/build0/tmp/sysroots/x86_64-linux/usr/include -O2
-pipe -g -feliminate-unused-debug-types -Wall -W -Wshadow -Wpointer-arith
-Wmissing-prototypes -Wundef -Wstrict-prototypes -g -falign-jumps=1
-falign-loops=1 -falign-functions=1 -mno-mmx -mno-sse -mno-sse2 -mno-3dnow
-fno-dwarf2-cfi-asm -m32 -fno-stack-protector -mno-stack-arg-probe -Werror
-Wno-trampolines          -ffreestanding 
-isystem/home/nitin/builds/build0/tmp/sysroots/x86_64-linux/usr/include -O2
-pipe -c -o fs/btrfs_module-btrfs.o `test -f 'fs/btrfs.c' || echo
'./'`fs/btrfs.c
| fs/btrfs.c: In function 'grub_btrfs_read_logical':
| fs/btrfs.c:791:5: error: 'err' may be used uninitialized in this function
[-Werror=maybe-uninitialized]
| fs/btrfs.c:592:18: note: 'err' was declared here
| cc1: all warnings being treated as errors
| make[3]: *** [fs/btrfs_module-btrfs.o] Error 1

Signed-Off-By: Nitin A Kamble <nitin.a.kamble@intel.com>
2012/04/13
Index: grub-1.99/grub-core/fs/btrfs.c
===================================================================
--- grub-1.99.orig/grub-core/fs/btrfs.c
+++ grub-1.99/grub-core/fs/btrfs.c
@@ -589,7 +589,7 @@ grub_btrfs_read_logical (struct grub_btr
       struct grub_btrfs_key *key;
       struct grub_btrfs_chunk_item *chunk;  
       grub_uint64_t csize;
-      grub_err_t err; 
+      grub_err_t err = 0; 
       struct grub_btrfs_key key_out;
       int challoc = 0;
       grub_device_t dev;