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authorIngo Molnar <mingo@kernel.org>2020-06-26 12:24:42 +0200
committerIngo Molnar <mingo@kernel.org>2020-06-26 12:24:42 +0200
commit2c92d787cc9fad57d05c96bd117782183768258a (patch)
tree51c0c567b8be2fd56073a8ce31f8ebd123a7d562 /arch/arm/kernel/ftrace.c
parent145a773aef83181d47ebab21bb33c89233aadb1e (diff)
parent8be3a53e18e0e1a98f288f6c7f5e9da3adbe9c49 (diff)
Merge branch 'linus' into x86/entry, to resolve conflictsx86_entry_for_5.8
Conflicts: arch/x86/kernel/traps.c Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arm/kernel/ftrace.c')
-rw-r--r--arch/arm/kernel/ftrace.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm/kernel/ftrace.c b/arch/arm/kernel/ftrace.c
index 10499d44964a..9a79ef6b1876 100644
--- a/arch/arm/kernel/ftrace.c
+++ b/arch/arm/kernel/ftrace.c
@@ -84,7 +84,8 @@ static int ftrace_modify_code(unsigned long pc, unsigned long old,
old = __opcode_to_mem_arm(old);
if (validate) {
- if (probe_kernel_read(&replaced, (void *)pc, MCOUNT_INSN_SIZE))
+ if (copy_from_kernel_nofault(&replaced, (void *)pc,
+ MCOUNT_INSN_SIZE))
return -EFAULT;
if (replaced != old)