vfs: constify path argument to kernel_read_file_from_path

This patch constifies the path argument to kernel_read_file_from_path().

Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Cc: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

3 files changed, 3 insertions, 3 deletions

diff --git a/fs/exec.c b/fs/exec.c
index 69a543259aa5..ac34d9724684 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -955,7 +955,7 @@ out:
 }
 EXPORT_SYMBOL_GPL(kernel_read_file);
 
-int kernel_read_file_from_path(char *path, void **buf, loff_t *size,
+int kernel_read_file_from_path(const char *path, void **buf, loff_t *size,
                                loff_t max_size, enum kernel_read_file_id id)
 {
         struct file *file;
diff --git a/include/linux/fs.h b/include/linux/fs.h
index bc475dfeb4ce..339e73742e73 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2815,7 +2815,7 @@ static inline const char *kernel_read_file_id_str(enum kernel_read_file_id id)
 
 extern int kernel_read_file(struct file *, void **, loff_t *, loff_t,
                             enum kernel_read_file_id);
-extern int kernel_read_file_from_path(char *, void **, loff_t *, loff_t,
+extern int kernel_read_file_from_path(const char *, void **, loff_t *, loff_t,
                                       enum kernel_read_file_id);
 extern int kernel_read_file_from_fd(int, void **, loff_t *, loff_t,
                                     enum kernel_read_file_id);
diff --git a/sound/oss/sound_firmware.h b/sound/oss/sound_firmware.h
index da4c67e005ed..2be465277ba0 100644
--- a/sound/oss/sound_firmware.h
+++ b/sound/oss/sound_firmware.h
@@ -21,7 +21,7 @@ static inline int mod_firmware_load(const char *fn, char **fp)
         loff_t size;
         int err;
 
-        err = kernel_read_file_from_path((char *)fn, (void **)fp, &size,
+        err = kernel_read_file_from_path(fn, (void **)fp, &size,
                                          131072, READING_FIRMWARE);
         if (err < 0)
                 return 0;