[kernel] workaround a gcc-4.1 bug which cannot see that word will be initialized

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15639 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/generic-2.6/patches-2.6.29/221-binfmt_elf_gcc4.1.patch b/target/linux/generic-2.6/patches-2.6.29/221-binfmt_elf_gcc4.1.patch
new file mode 100644 (file)
index 0000000..df053dd
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.29/221-binfmt_elf_gcc4.1.patch
@@ -0,0 +1,11 @@
+--- linux-2.6.29.2/fs/binfmt_elf.c     2009-04-27 19:37:11.000000000 +0200
++++ linux-2.6.29.2.new/fs/binfmt_elf.c 2009-05-06 16:05:32.000000000 +0200
+@@ -1211,7 +1211,7 @@
+       if (FILTER(ELF_HEADERS) &&
+           vma->vm_pgoff == 0 && (vma->vm_flags & VM_READ)) {
+               u32 __user *header = (u32 __user *) vma->vm_start;
+-              u32 word;
++              u32 word = 0;
+               mm_segment_t fs = get_fs();
+               /*
+                * Doing it this way gets the constant folded by GCC.