diff options
| author | Rosen Penev <rosenp@gmail.com> | 2026-09-27 13:35:01 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-10-01 11:04:53 +0200 |
| commit | 8167c1f071426706c233e93ecfd13aba7d5c06c8 (patch) | |
| tree | 2c0cd5f5e1cc35eadee98d49fe034f96a88856ce /include/uapi/asm-generic/shmbuf.h | |
| download | linux-stable-8167c1f071426706c233e93ecfd13aba7d5c06c8.tar.gz linux-stable-8167c1f071426706c233e93ecfd13aba7d5c06c8.zip | |
tty: serial: mpc52xx_uart: move static declarations up.grafted
Avoid a compilation error so that they're not used before being
declared.
Fixes: 4d105880666a ("tty: serial: mpc52xx_uart: add bounds check for psc_num array index")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202609260356.tJWbd1WU-lkp@intel.com/
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://patch.msgid.link/20260927203501.14105-1-rosenp@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/uapi/asm-generic/shmbuf.h')
| -rw-r--r-- | include/uapi/asm-generic/shmbuf.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/include/uapi/asm-generic/shmbuf.h b/include/uapi/asm-generic/shmbuf.h new file mode 100644 index 000000000..2979b6dd2 --- /dev/null +++ b/include/uapi/asm-generic/shmbuf.h @@ -0,0 +1,61 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef __ASM_GENERIC_SHMBUF_H +#define __ASM_GENERIC_SHMBUF_H + +#include <asm/bitsperlong.h> +#include <asm/ipcbuf.h> +#include <asm/posix_types.h> + +/* + * The shmid64_ds structure for x86 architecture. + * Note extra padding because this structure is passed back and forth + * between kernel and user space. + * + * shmid64_ds was originally meant to be architecture specific, but + * everyone just ended up making identical copies without specific + * optimizations, so we may just as well all use the same one. + * + * 64 bit architectures use a 64-bit long time field here, while + * 32 bit architectures have a pair of unsigned long values. + * On big-endian systems, the lower half is in the wrong place. + * + * + * Pad space is left for: + * - 2 miscellaneous 32-bit values + */ + +struct shmid64_ds { + struct ipc64_perm shm_perm; /* operation perms */ + __kernel_size_t shm_segsz; /* size of segment (bytes) */ +#if __BITS_PER_LONG == 64 + long shm_atime; /* last attach time */ + long shm_dtime; /* last detach time */ + long shm_ctime; /* last change time */ +#else + unsigned long shm_atime; /* last attach time */ + unsigned long shm_atime_high; + unsigned long shm_dtime; /* last detach time */ + unsigned long shm_dtime_high; + unsigned long shm_ctime; /* last change time */ + unsigned long shm_ctime_high; +#endif + __kernel_pid_t shm_cpid; /* pid of creator */ + __kernel_pid_t shm_lpid; /* pid of last operator */ + unsigned long shm_nattch; /* no. of current attaches */ + unsigned long __unused4; + unsigned long __unused5; +}; + +struct shminfo64 { + unsigned long shmmax; + unsigned long shmmin; + unsigned long shmmni; + unsigned long shmseg; + unsigned long shmall; + unsigned long __unused1; + unsigned long __unused2; + unsigned long __unused3; + unsigned long __unused4; +}; + +#endif /* __ASM_GENERIC_SHMBUF_H */ |
