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[PATCH 1/2] vfs: constify path argument to kernel_read_file_from_path

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  [PATCH 1/2] vfs: constify path argument to kernel_read_file_from_path Mimi Zohar <zohar@linux.vnet.ibm.com> - 2017-09-13 04:50 +0200
    Re: [PATCH 1/2] vfs: constify path argument to  kernel_read_file_from_path Christoph Hellwig <hch@infradead.org> - 2017-09-13 18:40 +0200

#1731348 — [PATCH 1/2] vfs: constify path argument to kernel_read_file_from_path

This patch constifies the path argument to kernel_read_file_from_path.

(Extracted from Helwig's patch.)
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
---
 fs/exec.c                  | 2 +-
 include/linux/fs.h         | 2 +-
 sound/oss/sound_firmware.h | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/exec.c b/fs/exec.c
index 62175cbcc801..54a4847649cc 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -974,7 +974,7 @@ 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 fdec9b763b54..d783cc8340de 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2775,7 +2775,7 @@ static inline const char *kernel_read_file_id_str(enum kernel_read_file_id id)
 extern int kernel_read(struct file *, loff_t, char *, unsigned long);
 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;
-- 
2.7.4

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#1731711 — Re: [PATCH 1/2] vfs: constify path argument to kernel_read_file_from_path

On Tue, Sep 12, 2017 at 10:45:33PM -0400, Mimi Zohar wrote:
> This patch constifies the path argument to kernel_read_file_from_path.
> 
> (Extracted from Helwig's patch.)

Feel free to skip this given that it's trivial and you misspelled my
name anyway :)

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