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author | Peter Zijlstra <peterz@infradead.org> | 2020-07-08 11:38:59 +0200 |
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committer | Peter Zijlstra <peterz@infradead.org> | 2020-07-08 11:38:59 +0200 |
commit | faa2fd7cbad4609d06d7904c0a80cf2f8cd23678 (patch) | |
tree | 3a5bfcc8879b719aec97cb73ed6e020cde502546 /arch/powerpc/kernel/trace/ftrace.c | |
parent | sched/core: Remove mmdrop() definition (diff) | |
parent | sched: Fix unreliable rseq cpu_id for new tasks (diff) | |
download | wireguard-linux-faa2fd7cbad4609d06d7904c0a80cf2f8cd23678.tar.xz wireguard-linux-faa2fd7cbad4609d06d7904c0a80cf2f8cd23678.zip |
Merge branch 'sched/urgent'
Diffstat (limited to 'arch/powerpc/kernel/trace/ftrace.c')
-rw-r--r-- | arch/powerpc/kernel/trace/ftrace.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/trace/ftrace.c b/arch/powerpc/kernel/trace/ftrace.c index 5e399628f51a..c1fede6ec934 100644 --- a/arch/powerpc/kernel/trace/ftrace.c +++ b/arch/powerpc/kernel/trace/ftrace.c @@ -226,7 +226,7 @@ __ftrace_make_nop(struct module *mod, unsigned long ip = rec->ip; unsigned long tramp; - if (probe_kernel_read(&op, (void *)ip, MCOUNT_INSN_SIZE)) + if (copy_from_kernel_nofault(&op, (void *)ip, MCOUNT_INSN_SIZE)) return -EFAULT; /* Make sure that that this is still a 24bit jump */ @@ -249,7 +249,7 @@ __ftrace_make_nop(struct module *mod, pr_devel("ip:%lx jumps to %lx", ip, tramp); /* Find where the trampoline jumps to */ - if (probe_kernel_read(jmp, (void *)tramp, sizeof(jmp))) { + if (copy_from_kernel_nofault(jmp, (void *)tramp, sizeof(jmp))) { pr_err("Failed to read %lx\n", tramp); return -EFAULT; } |