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authorIngo Molnar <mingo@kernel.org>2012-04-14 13:18:27 +0200
committerIngo Molnar <mingo@kernel.org>2012-04-14 13:19:04 +0200
commit6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch)
tree021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /arch/arm/kernel/ptrace.c
parent682968e0c425c60f0dde37977e5beb2b12ddc4cc (diff)
parenta385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff)
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree), to prepare for tooling changes, and also to pick up v3.4 MM changes that the uprobes code needs to take care of. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arm/kernel/ptrace.c')
-rw-r--r--arch/arm/kernel/ptrace.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index ede6443c34d..80abafb9bf3 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -26,7 +26,6 @@
#include <linux/audit.h>
#include <asm/pgtable.h>
-#include <asm/system.h>
#include <asm/traps.h>
#define REG_PC 15
@@ -257,7 +256,7 @@ static int ptrace_read_user(struct task_struct *tsk, unsigned long off,
{
unsigned long tmp;
- if (off & 3 || off >= sizeof(struct user))
+ if (off & 3)
return -EIO;
tmp = 0;
@@ -269,6 +268,8 @@ static int ptrace_read_user(struct task_struct *tsk, unsigned long off,
tmp = tsk->mm->end_code;
else if (off < sizeof(struct pt_regs))
tmp = get_user_reg(tsk, off >> 2);
+ else if (off >= sizeof(struct user))
+ return -EIO;
return put_user(tmp, ret);
}