Merge tag 'mm-nonmm-stable-2022-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull non-MM updates from Andrew Morton:

 - A ptrace API cleanup series from Sergey Shtylyov

 - Fixes and cleanups for kexec from ye xingchen

 - nilfs2 updates from Ryusuke Konishi

 - squashfs feature work from Xiaoming Ni: permit configuration of the
   filesystem's compression concurrency from the mount command line

 - A series from Akinobu Mita which addresses bound checking errors when
   writing to debugfs files

 - A series from Yang Yingliang to address rapidio memory leaks

 - A series from Zheng Yejian to address possible overflow errors in
   encode_comp_t()

 - And a whole shower of singleton patches all over the place

* tag 'mm-nonmm-stable-2022-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (79 commits)
  ipc: fix memory leak in init_mqueue_fs()
  hfsplus: fix bug causing custom uid and gid being unable to be assigned with mount
  rapidio: devices: fix missing put_device in mport_cdev_open
  kcov: fix spelling typos in comments
  hfs: Fix OOB Write in hfs_asc2mac
  hfs: fix OOB Read in __hfs_brec_find
  relay: fix type mismatch when allocating memory in relay_create_buf()
  ocfs2: always read both high and low parts of dinode link count
  io-mapping: move some code within the include guarded section
  kernel: kcsan: kcsan_test: build without structleak plugin
  mailmap: update email for Iskren Chernev
  eventfd: change int to __u64 in eventfd_signal() ifndef CONFIG_EVENTFD
  rapidio: fix possible UAF when kfifo_alloc() fails
  relay: use strscpy() is more robust and safer
  cpumask: limit visibility of FORCE_NR_CPUS
  acct: fix potential integer overflow in encode_comp_t()
  acct: fix accuracy loss for input value of encode_comp_t()
  linux/init.h: include <linux/build_bug.h> and <linux/stringify.h>
  rapidio: rio: fix possible name leak in rio_register_mport()
  rapidio: fix possible name leaks when rio_add_device() fails
  ...

2 files changed, 16 insertions, 16 deletions

diff --git a/arch/sparc/kernel/ptrace_32.c b/arch/sparc/kernel/ptrace_32.c
index e7db48acb838..c273ccebea46 100644
--- a/arch/sparc/kernel/ptrace_32.c
+++ b/arch/sparc/kernel/ptrace_32.c
@@ -158,8 +158,9 @@ static int genregs32_set(struct task_struct *target,
 				 35 * sizeof(u32), 36 * sizeof(u32));
 	if (ret || !count)
 		return ret;
-	return user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
-					 36 * sizeof(u32), 38 * sizeof(u32));
+	user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, 36 * sizeof(u32),
+				  38 * sizeof(u32));
+	return 0;
 }
 
 static int fpregs32_get(struct task_struct *target,
@@ -203,8 +204,8 @@ static int fpregs32_set(struct task_struct *target,
 					 33 * sizeof(u32),
 					 34 * sizeof(u32));
 	if (!ret)
-		ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
-						34 * sizeof(u32), -1);
+		user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
+					  34 * sizeof(u32), -1);
 	return ret;
 }
 
diff --git a/arch/sparc/kernel/ptrace_64.c b/arch/sparc/kernel/ptrace_64.c
index 86a7eb5c27ba..4deba5b6eddb 100644
--- a/arch/sparc/kernel/ptrace_64.c
+++ b/arch/sparc/kernel/ptrace_64.c
@@ -332,8 +332,8 @@ static int genregs64_set(struct task_struct *target,
 	}
 
 	if (!ret)
-		ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
-						36 * sizeof(u64), -1);
+		user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
+					  36 * sizeof(u64), -1);
 
 	return ret;
 }
@@ -406,8 +406,8 @@ static int fpregs64_set(struct task_struct *target,
 	task_thread_info(target)->fpsaved[0] = fprs;
 
 	if (!ret)
-		ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
-						35 * sizeof(u64), -1);
+		user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
+					  35 * sizeof(u64), -1);
 	return ret;
 }
 
@@ -473,10 +473,8 @@ static int setregs64_set(struct task_struct *target,
 				 15 * sizeof(u64));
 	if (ret)
 		return ret;
-	ret =user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
-				 15 * sizeof(u64), 16 * sizeof(u64));
-	if (ret)
-		return ret;
+	user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
+				  15 * sizeof(u64), 16 * sizeof(u64));
 	/* TSTATE */
 	ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
 				 &tstate,
@@ -670,8 +668,9 @@ finish:
 	pos *= sizeof(reg);
 	count *= sizeof(reg);
 
-	return user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
-					 38 * sizeof(reg), -1);
+	user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
+				  38 * sizeof(reg), -1);
+	return 0;
 }
 
 static int fpregs32_get(struct task_struct *target,
@@ -737,8 +736,8 @@ static int fpregs32_set(struct task_struct *target,
 	task_thread_info(target)->fpsaved[0] = fprs;
 
 	if (!ret)
-		ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
-						34 * sizeof(u32), -1);
+		user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
+					  34 * sizeof(u32), -1);
 	return ret;
 }