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modules: lvgl: don't try to open file in read mode with create flag set

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Current code would have systematically tried to add the FS_O_CREATE flag
when opening a file in read mode. This effectively made it impossible to
open files to read them on read-only file systems.

Signed-off-by: Benjamin Cabé <benjamin@zephyrproject.org>
This commit is contained in:
Benjamin Cabé 2025-06-18 16:40:19 +02:00 committed by Anas Nashif
parent 2722bbfbf8
commit 4f6077f369
1 changed files with 6 additions and 2 deletions
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8
modules/lvgl/lvgl_fs.c
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@ -56,7 +56,7 @@ static lv_fs_res_t errno_to_lv_fs_res(int err)
static void *lvgl_fs_open(lv_fs_drv_t *drv, const char *path, lv_fs_mode_t mode)
{
int err;
int zmode = FS_O_CREATE;
int zmode = 0;
void *file;
/* LVGL is passing absolute paths without the root slash add it back
@ -64,9 +64,13 @@ static void *lvgl_fs_open(lv_fs_drv_t *drv, const char *path, lv_fs_mode_t mode)
*/
path--;
zmode |= (mode & LV_FS_MODE_WR) ? FS_O_WRITE : 0;
zmode |= (mode & LV_FS_MODE_WR) ? FS_O_WRITE | FS_O_CREATE : 0;
zmode |= (mode & LV_FS_MODE_RD) ? FS_O_READ : 0;
if (zmode == 0) {
return NULL;
}
file = lv_malloc(sizeof(struct fs_file_t));
if (!file) {
return NULL;