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| author | Masami Hiramatsu | 2018-08-28 18:17:47 +0200 |
|---|---|---|
| committer | Steven Rostedt (VMware) | 2018-10-11 04:19:11 +0200 |
| commit | f3f58935edbcb33fd529fc46d554162a0660fd2d (patch) | |
| tree | 2ab53025647ecc7505e021f60fa646a83dcdccee /kernel/trace/tracing_map.c | |
| parent | tracing: probeevent: Add $argN for accessing function args (diff) | |
| download | kernel-qcow2-linux-f3f58935edbcb33fd529fc46d554162a0660fd2d.tar.gz kernel-qcow2-linux-f3f58935edbcb33fd529fc46d554162a0660fd2d.tar.xz kernel-qcow2-linux-f3f58935edbcb33fd529fc46d554162a0660fd2d.zip | |
tracing/uprobes: Fix to return -EFAULT if copy_from_user failed
Fix probe_mem_read() to return -EFAULT if copy_from_user()
failed. The copy_from_user() returns remaining bytes
when it failed, but probe_mem_read() caller expects it
returns error code like as probe_kernel_read().
Link: http://lkml.kernel.org/r/153547306719.26502.8353484532699160223.stgit@devbox
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/tracing_map.c')
0 files changed, 0 insertions, 0 deletions