diff mbox series

[08/23] maccess: rename strnlen_unsafe_user to strnlen_user_nofault

Message ID 20200521152301.2587579-9-hch@lst.de (mailing list archive)
State New, archived
Headers show
Series [01/23] maccess: unexport probe_kernel_write and probe_user_write | expand

Commit Message

Christoph Hellwig May 21, 2020, 3:22 p.m. UTC 
This matches the naming of strnlen_user, and also makes it more clear
what the function is supposed to do.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 include/linux/uaccess.h     | 2 +-
 kernel/trace/trace_kprobe.c | 2 +-
 mm/maccess.c                | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h
index 134ff9c1c151b..d8366f8468664 100644
--- a/include/linux/uaccess.h
+++ b/include/linux/uaccess.h
@@ -315,7 +315,7 @@  long strncpy_from_kernel_nofault(char *dst, const void *unsafe_addr,
 extern long __strncpy_from_unsafe(char *dst, const void *unsafe_addr, long count);
 long strncpy_from_user_nofault(char *dst, const void __user *unsafe_addr,
 		long count);
-extern long strnlen_unsafe_user(const void __user *unsafe_addr, long count);
+long strnlen_user_nofault(const void __user *unsafe_addr, long count);
 
 /**
  * probe_kernel_address(): safely attempt to read from a location
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index d600f41fda1ca..4325f9e7fadaa 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -1221,7 +1221,7 @@  fetch_store_strlen_user(unsigned long addr)
 {
 	const void __user *uaddr =  (__force const void __user *)addr;
 
-	return strnlen_unsafe_user(uaddr, MAX_STRING_SIZE);
+	return strnlen_user_nofault(uaddr, MAX_STRING_SIZE);
 }
 
 /*
diff --git a/mm/maccess.c b/mm/maccess.c
index c8748c2809096..e783ebfccd542 100644
--- a/mm/maccess.c
+++ b/mm/maccess.c
@@ -258,7 +258,7 @@  long strncpy_from_user_nofault(char *dst, const void __user *unsafe_addr,
 }
 
 /**
- * strnlen_unsafe_user: - Get the size of a user string INCLUDING final NUL.
+ * strnlen_user_nofault: - Get the size of a user string INCLUDING final NUL.
  * @unsafe_addr: The string to measure.
  * @count: Maximum count (including NUL)
  *
@@ -273,7 +273,7 @@  long strncpy_from_user_nofault(char *dst, const void __user *unsafe_addr,
  * Unlike strnlen_user, this can be used from IRQ handler etc. because
  * it disables pagefaults.
  */
-long strnlen_unsafe_user(const void __user *unsafe_addr, long count)
+long strnlen_user_nofault(const void __user *unsafe_addr, long count)
 {
 	mm_segment_t old_fs = get_fs();
 	int ret;