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authorDavid S. Miller <davem@davemloft.net>2018-06-03 09:31:58 -0400
committerDavid S. Miller <davem@davemloft.net>2018-06-03 09:31:58 -0400
commit9c54aeb03a6d65a5834bd92376e921cbac6dfb8f (patch)
tree70441095d58678711d68cfef4934765251425d1f /arch/mips
parenteaf47b17a77fda841a1102d76c15161ee438b347 (diff)
parent918fe1b3157978ada4267468008c5f89ef101e7d (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Filling in the padding slot in the bpf structure as a bug fix in 'ne' overlapped with actually using that padding area for something in 'net-next'. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/kernel/process.c4
-rw-r--r--arch/mips/kernel/ptrace.c2
-rw-r--r--arch/mips/kernel/ptrace32.c2
3 files changed, 6 insertions, 2 deletions
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index b9e9bf628849..3775a8d694fb 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -721,6 +721,10 @@ int mips_set_process_fp_mode(struct task_struct *task, unsigned int value)
if (value & ~known_bits)
return -EOPNOTSUPP;
+ /* Setting FRE without FR is not supported. */
+ if ((value & (PR_FP_MODE_FR | PR_FP_MODE_FRE)) == PR_FP_MODE_FRE)
+ return -EOPNOTSUPP;
+
/* Avoid inadvertently triggering emulation */
if ((value & PR_FP_MODE_FR) && raw_cpu_has_fpu &&
!(raw_current_cpu_data.fpu_id & MIPS_FPIR_F64))
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index 8d098b9f395c..0c0c23c9c9f5 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -818,7 +818,7 @@ long arch_ptrace(struct task_struct *child, long request,
break;
}
#endif
- tmp = get_fpr32(&fregs[addr - FPR_BASE], 0);
+ tmp = get_fpr64(&fregs[addr - FPR_BASE], 0);
break;
case PC:
tmp = regs->cp0_epc;
diff --git a/arch/mips/kernel/ptrace32.c b/arch/mips/kernel/ptrace32.c
index 656a137c1fe2..f30c381d3e1c 100644
--- a/arch/mips/kernel/ptrace32.c
+++ b/arch/mips/kernel/ptrace32.c
@@ -109,7 +109,7 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
addr & 1);
break;
}
- tmp = get_fpr32(&fregs[addr - FPR_BASE], 0);
+ tmp = get_fpr64(&fregs[addr - FPR_BASE], 0);
break;
case PC:
tmp = regs->cp0_epc;