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authorHelge Deller <deller@gmx.de>2023-02-01 11:04:06 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-02-09 11:28:20 +0100
commita6a5b7067018d23e09b4a627b85a74c7c2e43afc (patch)
tree46b0312fbe23a3e928d58969a67488ac7f9bf8d5
parentd386bc5bf1cd00aee94bfc7b72d20b57d26ff5a8 (diff)
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parisc: Replace hardcoded value with PRIV_USER constant in ptrace.c
commit 3f0c17809a098d3f0c1ec83f1fb3ca61638d3dcd upstream. Prefer usage of the PRIV_USER constant over the hard-coded value to set the lowest 2 bits for the userspace privilege. Signed-off-by: Helge Deller <deller@gmx.de> Cc: stable@vger.kernel.org # 5.16+ Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--arch/parisc/kernel/ptrace.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c
index 96ef6a6b66e5..79d654976ada 100644
--- a/arch/parisc/kernel/ptrace.c
+++ b/arch/parisc/kernel/ptrace.c
@@ -166,7 +166,7 @@ long arch_ptrace(struct task_struct *child, long request,
addr >= sizeof(struct pt_regs))
break;
if (addr == PT_IAOQ0 || addr == PT_IAOQ1) {
- data |= 3; /* ensure userspace privilege */
+ data |= PRIV_USER; /* ensure userspace privilege */
}
if ((addr >= PT_GR1 && addr <= PT_GR31) ||
addr == PT_IAOQ0 || addr == PT_IAOQ1 ||
@@ -285,7 +285,7 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
if (addr >= sizeof(struct pt_regs))
break;
if (addr == PT_IAOQ0+4 || addr == PT_IAOQ1+4) {
- data |= 3; /* ensure userspace privilege */
+ data |= PRIV_USER; /* ensure userspace privilege */
}
if (addr >= PT_FR0 && addr <= PT_FR31 + 4) {
/* Special case, fp regs are 64 bits anyway */
@@ -483,7 +483,7 @@ static void set_reg(struct pt_regs *regs, int num, unsigned long val)
case RI(iaoq[0]):
case RI(iaoq[1]):
/* set 2 lowest bits to ensure userspace privilege: */
- regs->iaoq[num - RI(iaoq[0])] = val | 3;
+ regs->iaoq[num - RI(iaoq[0])] = val | PRIV_USER;
return;
case RI(sar): regs->sar = val;
return;