We have largely moved away from this approach, and we have better debugging instrumentation nowadays: kill it Ref: https://lore.kernel.org/linux-doc/YyMlovoskUcHLEb7@xxxxxxxxx/ Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@xxxxxxxxxxxxxxxxxx> --- Documentation/process/magic-number.rst | 1 - .../translations/it_IT/process/magic-number.rst | 1 - .../translations/zh_CN/process/magic-number.rst | 1 - .../translations/zh_TW/process/magic-number.rst | 1 - arch/x86/kernel/apm_32.c | 9 +-------- 5 files changed, 1 insertion(+), 12 deletions(-) diff --git a/Documentation/process/magic-number.rst b/Documentation/process/magic-number.rst index d8ffbc21872e..77a96a79c7e8 100644 --- a/Documentation/process/magic-number.rst +++ b/Documentation/process/magic-number.rst @@ -68,7 +68,6 @@ Changelog:: ===================== ================ ======================== ========================================== Magic Name Number Structure File ===================== ================ ======================== ========================================== -APM_BIOS_MAGIC 0x4101 apm_user ``arch/x86/kernel/apm_32.c`` FASYNC_MAGIC 0x4601 fasync_struct ``include/linux/fs.h`` SLIP_MAGIC 0x5302 slip ``drivers/net/slip.h`` HDLCDRV_MAGIC 0x5ac6e778 hdlcdrv_state ``include/linux/hdlcdrv.h`` diff --git a/Documentation/translations/it_IT/process/magic-number.rst b/Documentation/translations/it_IT/process/magic-number.rst index 0e59704aa617..ef509265a3df 100644 --- a/Documentation/translations/it_IT/process/magic-number.rst +++ b/Documentation/translations/it_IT/process/magic-number.rst @@ -74,7 +74,6 @@ Registro dei cambiamenti:: ===================== ================ ======================== ========================================== Nome magico Numero Struttura File ===================== ================ ======================== ========================================== -APM_BIOS_MAGIC 0x4101 apm_user ``arch/x86/kernel/apm_32.c`` FASYNC_MAGIC 0x4601 fasync_struct ``include/linux/fs.h`` SLIP_MAGIC 0x5302 slip ``drivers/net/slip.h`` HDLCDRV_MAGIC 0x5ac6e778 hdlcdrv_state ``include/linux/hdlcdrv.h`` diff --git a/Documentation/translations/zh_CN/process/magic-number.rst b/Documentation/translations/zh_CN/process/magic-number.rst index 17a73661ef17..6437c408dd67 100644 --- a/Documentation/translations/zh_CN/process/magic-number.rst +++ b/Documentation/translations/zh_CN/process/magic-number.rst @@ -57,7 +57,6 @@ Linux 魔术数 ===================== ================ ======================== ========================================== 魔术数名 数字 结构 文件 ===================== ================ ======================== ========================================== -APM_BIOS_MAGIC 0x4101 apm_user ``arch/x86/kernel/apm_32.c`` FASYNC_MAGIC 0x4601 fasync_struct ``include/linux/fs.h`` SLIP_MAGIC 0x5302 slip ``drivers/net/slip.h`` HDLCDRV_MAGIC 0x5ac6e778 hdlcdrv_state ``include/linux/hdlcdrv.h`` diff --git a/Documentation/translations/zh_TW/process/magic-number.rst b/Documentation/translations/zh_TW/process/magic-number.rst index 9d44d49b93bf..453cc205e6c3 100644 --- a/Documentation/translations/zh_TW/process/magic-number.rst +++ b/Documentation/translations/zh_TW/process/magic-number.rst @@ -60,7 +60,6 @@ Linux 魔術數 ===================== ================ ======================== ========================================== 魔術數名 數字 結構 文件 ===================== ================ ======================== ========================================== -APM_BIOS_MAGIC 0x4101 apm_user ``arch/x86/kernel/apm_32.c`` FASYNC_MAGIC 0x4601 fasync_struct ``include/linux/fs.h`` SLIP_MAGIC 0x5302 slip ``drivers/net/slip.h`` HDLCDRV_MAGIC 0x5ac6e778 hdlcdrv_state ``include/linux/hdlcdrv.h`` diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c index 60e330cdbd17..f3dd21dc56b7 100644 --- a/arch/x86/kernel/apm_32.c +++ b/arch/x86/kernel/apm_32.c @@ -330,7 +330,6 @@ extern int (*console_blank_hook)(int); * The per-file APM data */ struct apm_user { - int magic; struct apm_user *next; unsigned int suser: 1; unsigned int writer: 1; @@ -346,11 +345,6 @@ struct apm_user { apm_event_t events[APM_MAX_EVENTS]; }; -/* - * The magic number in apm_user - */ -#define APM_BIOS_MAGIC 0x4101 - /* * idle percentage above which bios idle calls are done */ @@ -1459,7 +1453,7 @@ static void apm_mainloop(void) static int check_apm_user(struct apm_user *as, const char *func) { - if (as == NULL || as->magic != APM_BIOS_MAGIC) { + if (as == NULL) { pr_err("%s passed bad filp\n", func); return 1; } @@ -1616,7 +1610,6 @@ static int do_open(struct inode *inode, struct file *filp) if (as == NULL) return -ENOMEM; - as->magic = APM_BIOS_MAGIC; as->event_tail = as->event_head = 0; as->suspends_pending = as->standbys_pending = 0; as->suspends_read = as->standbys_read = 0; -- 2.30.2
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