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| author | David S. Miller <davem@davemloft.net> | 2010-04-11 13:44:30 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-04-11 13:44:30 +0400 |
| commit | 4a1032faac94ebbf647460ae3e06fc21146eb280 (patch) | |
| tree | 7f31b97beb0406faa1523e619289ad0ab07c9787 /fs/binfmt_aout.c | |
| parent | ae4e8d63b5619d4d95f1d2bfa2b836caa6e62d06 (diff) | |
| parent | 0eddb519b9127c73d53db4bf3ec1d45b13f844d1 (diff) | |
| download | linux-4a1032faac94ebbf647460ae3e06fc21146eb280.tar.xz | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'fs/binfmt_aout.c')
| -rw-r--r-- | fs/binfmt_aout.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/fs/binfmt_aout.c b/fs/binfmt_aout.c index 15d80bb35d6f..f96eff04e11a 100644 --- a/fs/binfmt_aout.c +++ b/fs/binfmt_aout.c @@ -20,11 +20,11 @@ #include <linux/fcntl.h> #include <linux/ptrace.h> #include <linux/user.h> -#include <linux/slab.h> #include <linux/binfmts.h> #include <linux/personality.h> #include <linux/init.h> #include <linux/coredump.h> +#include <linux/slab.h> #include <asm/system.h> #include <asm/uaccess.h> @@ -75,14 +75,16 @@ static int aout_core_dump(struct coredump_params *cprm) struct file *file = cprm->file; mm_segment_t fs; int has_dumped = 0; - unsigned long dump_start, dump_size; + void __user *dump_start; + int dump_size; struct user dump; #ifdef __alpha__ -# define START_DATA(u) (u.start_data) +# define START_DATA(u) ((void __user *)u.start_data) #else -# define START_DATA(u) ((u.u_tsize << PAGE_SHIFT) + u.start_code) +# define START_DATA(u) ((void __user *)((u.u_tsize << PAGE_SHIFT) + \ + u.start_code)) #endif -# define START_STACK(u) (u.start_stack) +# define START_STACK(u) ((void __user *)u.start_stack) fs = get_fs(); set_fs(KERNEL_DS); @@ -104,9 +106,9 @@ static int aout_core_dump(struct coredump_params *cprm) /* make sure we actually have a data and stack area to dump */ set_fs(USER_DS); - if (!access_ok(VERIFY_READ, (void __user *)START_DATA(dump), dump.u_dsize << PAGE_SHIFT)) + if (!access_ok(VERIFY_READ, START_DATA(dump), dump.u_dsize << PAGE_SHIFT)) dump.u_dsize = 0; - if (!access_ok(VERIFY_READ, (void __user *)START_STACK(dump), dump.u_ssize << PAGE_SHIFT)) + if (!access_ok(VERIFY_READ, START_STACK(dump), dump.u_ssize << PAGE_SHIFT)) dump.u_ssize = 0; set_fs(KERNEL_DS); |