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authorDmitry Torokhov <[email protected]>2019-01-13 22:35:32 -0800
committerDmitry Torokhov <[email protected]>2019-01-13 22:35:32 -0800
commit4116941b7a703f8c770998bb3a59966608cb5bb2 (patch)
tree32945b644b69e3fd1a9ba8cd7369cf62abc44ccd /kernel/fail_function.c
parente85bb0beb6498c0dffe18a2f1f16d575bc175c32 (diff)
parent8fe28cb58bcb235034b64cbbb7550a8a43fd88be (diff)
Merge tag 'v4.20' into next
Merge with mainline to bring in the new APIs.
Diffstat (limited to 'kernel/fail_function.c')
-rw-r--r--kernel/fail_function.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/kernel/fail_function.c b/kernel/fail_function.c
index 1d5632d8bbcc..17f75b545f66 100644
--- a/kernel/fail_function.c
+++ b/kernel/fail_function.c
@@ -173,8 +173,7 @@ static void fei_debugfs_remove_attr(struct fei_attr *attr)
struct dentry *dir;
dir = debugfs_lookup(attr->kp.symbol_name, fei_debugfs_dir);
- if (dir)
- debugfs_remove_recursive(dir);
+ debugfs_remove_recursive(dir);
}
static int fei_kprobe_handler(struct kprobe *kp, struct pt_regs *regs)
@@ -184,9 +183,6 @@ static int fei_kprobe_handler(struct kprobe *kp, struct pt_regs *regs)
if (should_fail(&fei_fault_attr, 1)) {
regs_set_return_value(regs, attr->retval);
override_function_with_return(regs);
- /* Kprobe specific fixup */
- reset_current_kprobe();
- preempt_enable_no_resched();
return 1;
}
@@ -258,7 +254,7 @@ static ssize_t fei_write(struct file *file, const char __user *buffer,
/* cut off if it is too long */
if (count > KSYM_NAME_LEN)
count = KSYM_NAME_LEN;
- buf = kmalloc(sizeof(char) * (count + 1), GFP_KERNEL);
+ buf = kmalloc(count + 1, GFP_KERNEL);
if (!buf)
return -ENOMEM;