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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/kernel/process.c
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/kernel/process.c')
-rw-r--r--arch/mips/kernel/process.c4
1 files changed, 4 insertions, 0 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))