kernel/linux.git/drivers/auxdisplay/panel.c, branch linux-7.1.y

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-22T01:09:51+00:00

This was done entirely with mindless brute force, using git grep -l '\

treewide: Replace kmalloc with kmalloc_obj for non-scalar types

2026-02-21T09:02:28+00:00

This is the result of running the Coccinelle script from scripts/coccinelle/api/kmalloc_objs.cocci. The script is designed to avoid scalar types (which need careful case-by-case checking), and instead replace kmalloc-family calls that allocate struct or union object instances: Single allocations: kmalloc(sizeof(TYPE), ...) are replaced with: kmalloc_obj(TYPE, ...) Array allocations: kmalloc_array(COUNT, sizeof(TYPE), ...) are replaced with: kmalloc_objs(TYPE, COUNT, ...) Flex array allocations: kmalloc(struct_size(PTR, FAM, COUNT), ...) are replaced with: kmalloc_flex(*PTR, FAM, COUNT, ...) (where TYPE may also be *VAR) The resulting allocations no longer return "void *", instead returning "TYPE *". Signed-off-by: Kees Cook

treewide: Switch/rename to timer_delete[_sync]()

2025-04-05T08:30:12+00:00

timer_delete[_sync]() replaces del_timer[_sync](). Convert the whole tree over and remove the historical wrapper inlines. Conversion was done with coccinelle plus manual fixups where necessary. Signed-off-by: Thomas Gleixner Signed-off-by: Ingo Molnar

auxdisplay: hd44780: Call charlcd_alloc() from hd44780_common_alloc()

2025-03-10T16:03:02+00:00

HD44780 APIs all operate on struct charlcd objects. Moreover, the current users always call charlcd_alloc() and hd44780_common_alloc(). Make the latter call the former, so eliminate the additional allocation, to make it consistent with the rest of API and avoid duplication. Signed-off-by: Andy Shevchenko Reviewed-by: Geert Uytterhoeven

auxdisplay: panel: Make use of hd44780_common_free()

2025-03-10T16:03:02+00:00

Use the symmetrical API to free the common resources. Signed-off-by: Andy Shevchenko Reviewed-by: Geert Uytterhoeven

auxdisplay: charlcd: Partially revert "Move hwidth and bwidth to struct hd44780_common"

2025-03-10T16:02:31+00:00

Commit 2545c1c948a6 ("auxdisplay: Move hwidth and bwidth to struct hd44780_common") makes charlcd_alloc() argument-less effectively dropping the single allocation for the struct charlcd_priv object along with the driver specific one. Restore that behaviour here. Signed-off-by: Andy Shevchenko Reviewed-by: Geert Uytterhoeven

auxdisplay: panel: Fix an API misuse in panel.c

2025-02-24T13:46:55+00:00

Variable allocated by charlcd_alloc() should be released by charlcd_free(). The following patch changed kfree() to charlcd_free() to fix an API misuse. Reviewed-by: Geert Uytterhoeven Fixes: 718e05ed92ec ("auxdisplay: Introduce hd44780_common.[ch]") Signed-off-by: Andy Shevchenko

parport: Remove parport_driver.devmodel

2024-07-03T14:44:22+00:00

'devmodel' hasn't actually been used since: 'commit 3275158fa52a ("parport: remove use of devmodel")' and everyone now has it set to true and has been fixed up; remove the flag. (There are still comments all over about it) Signed-off-by: Dr. David Alan Gilbert Acked-by: Sudip Mukherjee Link: https://lore.kernel.org/r/20240502154823.67235-4-linux@treblig.org Signed-off-by: Greg Kroah-Hartman

auxdisplay: panel: Switch to use module_parport_driver()

2024-02-15T11:24:53+00:00

Switch to use module_parport_driver() to reduce boilerplate code. Signed-off-by: Andy Shevchenko

auxdisplay: panel: Replace deprecated strncpy() with strtomem_pad()

2023-09-29T21:48:31+00:00

`strncpy` is deprecated and as such we should prefer more robust and less ambiguous interfaces. In this case, all of `press_str`, `repeat_str` and `release_str` are explicitly marked as nonstring: | struct { /* valid when type == INPUT_TYPE_KBD */ | char press_str[sizeof(void *) + sizeof(int)] __nonstring; | char repeat_str[sizeof(void *) + sizeof(int)] __nonstring; | char release_str[sizeof(void *) + sizeof(int)] __nonstring; | } kbd; ... which makes `strtomem_pad` a suitable replacement as it is functionally the same whilst being more obvious about its behavior. Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings [1] Link: https://github.com/KSPP/linux/issues/90 Cc: linux-hardening@vger.kernel.org Cc: Kees Cook Signed-off-by: Justin Stitt Reviewed-by: Kees Cook Link: https://lore.kernel.org/r/20230911-strncpy-drivers-auxdisplay-panel-c-v1-1-b60bd0ae8552@google.com Signed-off-by: Kees Cook