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>
diff --git a/fs/exec.c b/fs/exec.c
index 69a5432..ac34d97 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -955,7 +955,7 @@ int kernel_read_file(struct file *file, void **buf, loff_t *size,
}
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 bc475df..339e737 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 da4c67e..2be4652 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;
