[PATCH][COMPAT] move struct flock32 1/8 generic

From: Stephen Rothwell (sfr@canb.auug.org.au)
Date: Fri Jan 03 2003 - 00:41:06 EST


Hi Linus,

This patch moves struct flock32 to struct compat_flock and consolidates
the functions used to copy it to/from user mode.

The overall diffstat looks like this:
 arch/ia64/ia32/sys_ia32.c | 36 ++----------------------------------
 arch/mips64/kernel/linux32.c | 37 ++-----------------------------------
 arch/parisc/kernel/sys_parisc32.c | 37 ++-----------------------------------
 arch/ppc64/kernel/sys_ppc32.c | 28 ++--------------------------
 arch/s390x/kernel/linux32.c | 30 +++---------------------------
 arch/s390x/kernel/linux32.h | 9 ---------
 arch/sparc64/kernel/sys_sparc32.c | 28 ++--------------------------
 arch/x86_64/ia32/sys_ia32.c | 28 ++--------------------------
 fs/compat.c | 31 +++++++++++++++++++++++++++++++
 include/asm-ia64/compat.h | 8 ++++++++
 include/asm-ia64/ia32.h | 9 ---------
 include/asm-mips64/compat.h | 9 +++++++++
 include/asm-parisc/compat.h | 8 ++++++++
 include/asm-ppc64/compat.h | 9 +++++++++
 include/asm-ppc64/ppc32.h | 9 ---------
 include/asm-s390x/compat.h | 9 +++++++++
 include/asm-sparc64/compat.h | 9 +++++++++
 include/asm-sparc64/fcntl.h | 13 -------------
 include/asm-x86_64/compat.h | 8 ++++++++
 include/asm-x86_64/ia32.h | 10 ----------
 include/linux/compat.h | 3 +++
 21 files changed, 109 insertions(+), 259 deletions(-)

This is just the generic part.

-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/

diff -ruN 2.5.54-200301031304-32bit.1/fs/compat.c 2.5.54-200301031304-32bit.2/fs/compat.c --- 2.5.54-200301031304-32bit.1/fs/compat.c 2002-12-16 14:49:52.000000000 +1100 +++ 2.5.54-200301031304-32bit.2/fs/compat.c 2003-01-03 16:24:56.000000000 +1100 @@ -16,6 +16,7 @@ #include <linux/errno.h> #include <linux/time.h> #include <linux/fs.h> +#include <linux/fcntl.h> #include <asm/uaccess.h> @@ -70,3 +71,33 @@ error = cp_compat_stat(&stat, statbuf); return error; } + +int get_compat_flock(struct flock *kfl, struct compat_flock *ufl) +{ + int err; + + if (!access_ok(VERIFY_READ, ufl, sizeof(*ufl))) + return -EFAULT; + + err = __get_user(kfl->l_type, &ufl->l_type); + err |= __get_user(kfl->l_whence, &ufl->l_whence); + err |= __get_user(kfl->l_start, &ufl->l_start); + err |= __get_user(kfl->l_len, &ufl->l_len); + err |= __get_user(kfl->l_pid, &ufl->l_pid); + return err; +} + +int put_compat_flock(struct flock *kfl, struct compat_flock *ufl) +{ + int err; + + if (!access_ok(VERIFY_WRITE, ufl, sizeof(*ufl))) + return -EFAULT; + + err = __put_user(kfl->l_type, &ufl->l_type); + err |= __put_user(kfl->l_whence, &ufl->l_whence); + err |= __put_user(kfl->l_start, &ufl->l_start); + err |= __put_user(kfl->l_len, &ufl->l_len); + err |= __put_user(kfl->l_pid, &ufl->l_pid); + return err; +} diff -ruN 2.5.54-200301031304-32bit.1/include/linux/compat.h 2.5.54-200301031304-32bit.2/include/linux/compat.h --- 2.5.54-200301031304-32bit.1/include/linux/compat.h 2003-01-03 14:08:45.000000000 +1100 +++ 2.5.54-200301031304-32bit.2/include/linux/compat.h 2003-01-03 16:25:50.000000000 +1100 @@ -10,6 +10,7 @@ #include <linux/stat.h> #include <linux/param.h> /* for HZ */ +#include <linux/fcntl.h> /* for struct flock */ #include <asm/compat.h> #define compat_jiffies_to_clock_t(x) \ @@ -33,6 +34,8 @@ }; extern int cp_compat_stat(struct kstat *, struct compat_stat *); +extern int get_compat_flock(struct flock *, struct compat_flock *); +extern int put_compat_flock(struct flock *, struct compat_flock *); #endif /* CONFIG_COMPAT */ #endif /* _LINUX_COMPAT_H */ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/



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