diff options
| author | Dominik Brodowski <linux@dominikbrodowski.net> | 2018-03-04 21:54:05 +0100 |
|---|---|---|
| committer | Dominik Brodowski <linux@dominikbrodowski.net> | 2018-04-02 20:15:47 +0200 |
| commit | ab0d1e85bfd0c25260f02cd3708d5abdfb5b5a9c (patch) | |
| tree | 8603d1aab505a1c8c023576cb599e1b541ebc944 | |
| parent | cb0b476ab12ca3bd9dd9122047660f3a73e8d647 (diff) | |
fs/quota: use COMPAT_SYSCALL_DEFINE for sys32_quotactl()
While sys32_quotactl() is only needed on x86, it can use the recommended
COMPAT_SYSCALL_DEFINEx() machinery for its setup.
Acked-by: Jan Kara <jack@suse.cz>
Cc: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
| -rw-r--r-- | arch/x86/entry/syscalls/syscall_32.tbl | 2 | ||||
| -rw-r--r-- | fs/quota/compat.c | 5 | ||||
| -rw-r--r-- | include/linux/compat.h | 3 | ||||
| -rw-r--r-- | include/linux/syscalls.h | 2 | ||||
| -rw-r--r-- | kernel/sys_ni.c | 2 |
5 files changed, 8 insertions, 6 deletions
diff --git a/arch/x86/entry/syscalls/syscall_32.tbl b/arch/x86/entry/syscalls/syscall_32.tbl index ef6edaf285cd..c58f75b088c5 100644 --- a/arch/x86/entry/syscalls/syscall_32.tbl +++ b/arch/x86/entry/syscalls/syscall_32.tbl @@ -137,7 +137,7 @@ 128 i386 init_module sys_init_module 129 i386 delete_module sys_delete_module 130 i386 get_kernel_syms -131 i386 quotactl sys_quotactl sys32_quotactl +131 i386 quotactl sys_quotactl compat_sys_quotactl32 132 i386 getpgid sys_getpgid 133 i386 fchdir sys_fchdir 134 i386 bdflush sys_bdflush diff --git a/fs/quota/compat.c b/fs/quota/compat.c index 1577a2fd51f4..c30572857619 100644 --- a/fs/quota/compat.c +++ b/fs/quota/compat.c @@ -41,8 +41,9 @@ struct compat_fs_quota_stat { __u16 qs_iwarnlimit; }; -asmlinkage long sys32_quotactl(unsigned int cmd, const char __user *special, - qid_t id, void __user *addr) +COMPAT_SYSCALL_DEFINE4(quotactl32, unsigned int, cmd, + const char __user *, special, qid_t, id, + void __user *, addr) { unsigned int cmds; struct if_dqblk __user *dqblk; diff --git a/include/linux/compat.h b/include/linux/compat.h index 16c3027074a2..f1649a5e6716 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -461,6 +461,9 @@ asmlinkage ssize_t compat_sys_pwritev2(compat_ulong_t fd, const struct compat_iovec __user *vec, compat_ulong_t vlen, u32 pos_low, u32 pos_high, rwf_t flags); +asmlinkage long compat_sys_quotactl32(unsigned int cmd, + const char __user *special, qid_t id, void __user *addr); + #ifdef __ARCH_WANT_COMPAT_SYS_PREADV64 asmlinkage long compat_sys_preadv64(unsigned long fd, const struct compat_iovec __user *vec, diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index a63e21e7a3af..6ab7ed71a8b6 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -241,8 +241,6 @@ static inline void addr_limit_user_check(void) #endif } -asmlinkage long sys32_quotactl(unsigned int cmd, const char __user *special, - qid_t id, void __user *addr); asmlinkage long sys_time(time_t __user *tloc); asmlinkage long sys_stime(time_t __user *tptr); asmlinkage long sys_gettimeofday(struct timeval __user *tv, diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c index b5189762d275..951dbda5c2b4 100644 --- a/kernel/sys_ni.c +++ b/kernel/sys_ni.c @@ -18,7 +18,7 @@ asmlinkage long sys_ni_syscall(void) } cond_syscall(sys_quotactl); -cond_syscall(sys32_quotactl); +cond_syscall(compat_sys_quotactl32); cond_syscall(sys_acct); cond_syscall(sys_lookup_dcookie); cond_syscall(compat_sys_lookup_dcookie); |