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| author | Johannes Berg | 2019-02-22 13:48:13 +0100 |
|---|---|---|
| committer | Johannes Berg | 2019-02-22 13:48:13 +0100 |
| commit | b7b14ec1ebef35d22f3f4087816468f22c987f75 (patch) | |
| tree | 3f99f4d7b770d7bba3ee84663b32f98dfbe7582d /kernel/trace/trace_kprobe.c | |
| parent | mac80211: update HE IEs to D3.3 (diff) | |
| parent | rocker: Add missing break for PRE_BRIDGE_FLAGS (diff) | |
| download | kernel-qcow2-linux-b7b14ec1ebef35d22f3f4087816468f22c987f75.tar.gz kernel-qcow2-linux-b7b14ec1ebef35d22f3f4087816468f22c987f75.tar.xz kernel-qcow2-linux-b7b14ec1ebef35d22f3f4087816468f22c987f75.zip | |
Merge remote-tracking branch 'net-next/master' into mac80211-next
Merge net-next to resolve a conflict and to get the mac80211
rhashtable fixes so further patches can be applied on top.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'kernel/trace/trace_kprobe.c')
| -rw-r--r-- | kernel/trace/trace_kprobe.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index d5fb09ebba8b..9eaf07f99212 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -861,22 +861,14 @@ static const struct file_operations kprobe_profile_ops = { static nokprobe_inline int fetch_store_strlen(unsigned long addr) { - mm_segment_t old_fs; int ret, len = 0; u8 c; - old_fs = get_fs(); - set_fs(KERNEL_DS); - pagefault_disable(); - do { - ret = __copy_from_user_inatomic(&c, (u8 *)addr + len, 1); + ret = probe_mem_read(&c, (u8 *)addr + len, 1); len++; } while (c && ret == 0 && len < MAX_STRING_SIZE); - pagefault_enable(); - set_fs(old_fs); - return (ret < 0) ? ret : len; } |