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tty: vt: remove struct uni_screen

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It contains only lines with pointers to characters (u32s). So use
simple clear 'u32 **lines' all over the code.

This avoids zero-length arrays. It also makes the allocation less
error-prone (size of the struct wasn't taken into account at all).

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20230112080136.4929-6-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby (SUSE) 2023-01-12 09:01:31 +01:00 • committed by Greg Kroah-Hartman
parent 0c8414a682
commit feb36abbed
2 changed files with 59 additions and 61 deletions
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3
include/linux/console_struct.h
View file

@ -18,7 +18,6 @@
#include <linux/workqueue.h>
struct uni_pagedict;
struct uni_screen;
#define NPAR 16
#define VC_TABSTOPS_COUNT 256U
@ -159,7 +158,7 @@ struct vc_data {
struct vc_data **vc_display_fg; /* [!] Ptr to var holding fg console for this display */
struct uni_pagedict *uni_pagedict;
struct uni_pagedict **uni_pagedict_loc; /* [!] Location of uni_pagedict variable for this console */
struct uni_screen *vc_uni_screen; /* unicode screen content */
u32 **vc_uni_lines; /* unicode screen content */
/* additional information is in vt_kern.h */
};