diff options
Diffstat (limited to 'linux-2.6.29-sparc-IOC_TYPECHECK.patch')
| -rw-r--r-- | linux-2.6.29-sparc-IOC_TYPECHECK.patch | 21 |
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)) |