summaryrefslogtreecommitdiffstats
path: root/linux-2.6.29-sparc-IOC_TYPECHECK.patch
diff options
context:
space:
mode:
authorJesse Keating <jkeating@redhat.com>2010-07-29 16:46:31 -0700
committerJesse Keating <jkeating@redhat.com>2010-07-29 16:46:31 -0700
commit7a32965a104c3363e8505fe566531fcf071cced7 (patch)
treee45cb84552b2b022f49047bbddd9d887753c35bc /linux-2.6.29-sparc-IOC_TYPECHECK.patch
parent64ba2e5ffde5f2418eb26c700cb0ab62b04e5013 (diff)
downloadkernel-7a32965a104c3363e8505fe566531fcf071cced7.tar.gz
kernel-7a32965a104c3363e8505fe566531fcf071cced7.tar.xz
kernel-7a32965a104c3363e8505fe566531fcf071cced7.zip
initial srpm import
Diffstat (limited to 'linux-2.6.29-sparc-IOC_TYPECHECK.patch')
-rw-r--r--linux-2.6.29-sparc-IOC_TYPECHECK.patch21
1 files changed, 21 insertions, 0 deletions
diff --git a/linux-2.6.29-sparc-IOC_TYPECHECK.patch b/linux-2.6.29-sparc-IOC_TYPECHECK.patch
new file mode 100644
index 000000000..d73c30adc
--- /dev/null
+++ b/linux-2.6.29-sparc-IOC_TYPECHECK.patch
@@ -0,0 +1,21 @@
+diff -up vanilla-2.6.29-rc7-git2/arch/sparc/include/asm/ioctl.h.BAD vanilla-2.6.29-rc7-git2/arch/sparc/include/asm/ioctl.h
+--- vanilla-2.6.29-rc7-git2/arch/sparc/include/asm/ioctl.h.BAD 2009-03-09 17:01:32.000000000 -0400
++++ vanilla-2.6.29-rc7-git2/arch/sparc/include/asm/ioctl.h 2009-03-09 16:52:27.000000000 -0400
+@@ -41,6 +41,17 @@
+ ((nr) << _IOC_NRSHIFT) | \
+ ((size) << _IOC_SIZESHIFT))
+
++#ifdef __KERNEL__
++/* provoke compile error for invalid uses of size argument */
++extern unsigned int __invalid_size_argument_for_IOC;
++#define _IOC_TYPECHECK(t) \
++ ((sizeof(t) == sizeof(t[1]) && \
++ sizeof(t) < (1 << _IOC_SIZEBITS)) ? \
++ sizeof(t) : __invalid_size_argument_for_IOC)
++#else
++#define _IOC_TYPECHECK(t) (sizeof(t))
++#endif
++
+ #define _IO(type,nr) _IOC(_IOC_NONE,(type),(nr),0)
+ #define _IOR(type,nr,size) _IOC(_IOC_READ,(type),(nr),sizeof(size))
+ #define _IOW(type,nr,size) _IOC(_IOC_WRITE,(type),(nr),sizeof(size))