It's obvious that we don't and shouldn't modify buffer that is about to be dumped. Constify parameter in fbtft_dbg_hex() to make it clear.
Fixes: c296d5f9957c ("staging: fbtft: core support") Signed-off-by: Andy Shevchenko andriy.shevchenko@linux.intel.com --- v2: new patch to fix a warning (Greg) drivers/staging/fbtft/fbtft-core.c | 2 +- drivers/staging/fbtft/fbtft.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c index f2684d2d6851..6dc77895a87c 100644 --- a/drivers/staging/fbtft/fbtft-core.c +++ b/drivers/staging/fbtft/fbtft-core.c @@ -49,7 +49,7 @@ int fbtft_write_buf_dc(struct fbtft_par *par, void *buf, size_t len, int dc) EXPORT_SYMBOL(fbtft_write_buf_dc);
void fbtft_dbg_hex(const struct device *dev, int groupsize, - void *buf, size_t len, const char *fmt, ...) + const void *buf, size_t len, const char *fmt, ...) { va_list args; static char textbuf[512]; diff --git a/drivers/staging/fbtft/fbtft.h b/drivers/staging/fbtft/fbtft.h index 55677efc0138..c3d8b2aae607 100644 --- a/drivers/staging/fbtft/fbtft.h +++ b/drivers/staging/fbtft/fbtft.h @@ -240,7 +240,7 @@ struct fbtft_par { int fbtft_write_buf_dc(struct fbtft_par *par, void *buf, size_t len, int dc); __printf(5, 6) void fbtft_dbg_hex(const struct device *dev, int groupsize, - void *buf, size_t len, const char *fmt, ...); + const void *buf, size_t len, const char *fmt, ...); struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display, struct device *dev, struct fbtft_platform_data *pdata);