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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2020-12-14 16:27:23 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2020-12-14 16:27:23 -0800 |
| commit | 4b4193256c8d3bc3a5397b5cd9494c2ad386317d (patch) | |
| tree | b6b070f8893384b5d563fc616018e7d5644b2ece /arch/arm/kernel/ftrace.c | |
| parent | cffdd6d90482316e18d686060a4397902ea04bd2 (diff) | |
| parent | 92f0a3a22c7a4c936277ece3a0215955a2d52238 (diff) | |
| download | linux-4b4193256c8d3bc3a5397b5cd9494c2ad386317d.tar.gz linux-4b4193256c8d3bc3a5397b5cd9494c2ad386317d.tar.bz2 linux-4b4193256c8d3bc3a5397b5cd9494c2ad386317d.zip | |
Merge branch 'next' into for-linus
Prepare input updates for 5.11 merge window.
Diffstat (limited to 'arch/arm/kernel/ftrace.c')
| -rw-r--r-- | arch/arm/kernel/ftrace.c | 3 |
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) |