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authorSuresh Siddha <suresh.b.siddha@intel.com>2010-02-22 14:51:32 -0800
committerH. Peter Anvin <hpa@zytor.com>2010-02-23 13:45:26 -0800
commitc6a0dd7ec6fb2d4927979ed4dc562fc5c122d826 (patch)
tree415f5e04788eb289820685b33dabcc7949d6196b /kernel/ptrace.c
parent5e6dbc260704ce4d22fc9664f517f0bb6748feaa (diff)
downloadlinux-2.6.34-ux500-c6a0dd7ec6fb2d4927979ed4dc562fc5c122d826.tar.gz
ptrace: Fix ptrace_regset() comments and diagnose errors specifically
Return -EINVAL for the bad size and for unrecognized NT_* type in ptrace_regset() instead of -EIO. Also update the comments for this ptrace interface with more clarifications. Requested-by: Roland McGrath <roland@redhat.com> Requested-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> LKML-Reference: <20100222225240.397523600@sbs-t61.sc.intel.com> Acked-by: Roland McGrath <roland@redhat.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'kernel/ptrace.c')
-rw-r--r--kernel/ptrace.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 13b4554d8fb..42ad8ae729a 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -537,7 +537,7 @@ static int ptrace_regset(struct task_struct *task, int req, unsigned int type,
int regset_no;
if (!regset || (kiov->iov_len % regset->size) != 0)
- return -EIO;
+ return -EINVAL;
regset_no = regset - view->regsets;
kiov->iov_len = min(kiov->iov_len,