Messages in this thread Patch in this message | | | From | Martin Schwidefsky <> | Subject | [PATCH] 2.5.38 s390 fixes: 09_emu31. | Date | Tue, 24 Sep 2002 19:19:47 +0200 |
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Fix bug in 31 bit emulation of sys_msgsnd and rename sys32_pread/sys32_pwrite to sys32_pread64/sys32_pwrite64.
diff -urN linux-2.5.38/arch/s390x/kernel/linux32.c linux-2.5.38-s390/arch/s390x/kernel/linux32.c --- linux-2.5.38/arch/s390x/kernel/linux32.c Tue Sep 24 17:41:45 2002 +++ linux-2.5.38-s390/arch/s390x/kernel/linux32.c Tue Sep 24 17:42:28 2002 @@ -514,16 +514,15 @@ if (!p) return -ENOMEM; + err = -EINVAL; if (second > MSGMAX || first < 0 || second < 0) - return -EINVAL; + goto out; err = -EFAULT; if (!uptr) goto out; - - err = get_user (p->mtype, &up->mtype); - err |= __copy_from_user (p->mtext, &up->mtext, second); - if (err) + if (get_user (p->mtype, &up->mtype) || + __copy_from_user (p->mtext, &up->mtext, second)) goto out; old_fs = get_fs (); set_fs (KERNEL_DS); @@ -3997,13 +3996,13 @@ typedef __kernel_ssize_t32 ssize_t32; -asmlinkage ssize_t32 sys32_pread(unsigned int fd, char *ubuf, +asmlinkage ssize_t32 sys32_pread64(unsigned int fd, char *ubuf, __kernel_size_t32 count, u32 poshi, u32 poslo) { return sys_pread64(fd, ubuf, count, ((loff_t)AA(poshi) << 32) | AA(poslo)); } -asmlinkage ssize_t32 sys32_pwrite(unsigned int fd, char *ubuf, +asmlinkage ssize_t32 sys32_pwrite64(unsigned int fd, char *ubuf, __kernel_size_t32 count, u32 poshi, u32 poslo) { return sys_pwrite64(fd, ubuf, count, ((loff_t)AA(poshi) << 32) | AA(poslo)); diff -urN linux-2.5.38/arch/s390x/kernel/wrapper32.S linux-2.5.38-s390/arch/s390x/kernel/wrapper32.S --- linux-2.5.38/arch/s390x/kernel/wrapper32.S Tue Sep 24 17:41:45 2002 +++ linux-2.5.38-s390/arch/s390x/kernel/wrapper32.S Tue Sep 24 17:42:28 2002 @@ -872,23 +872,23 @@ #sys32_rt_sigsuspend_wrapper # done in rt_sigsuspend_glue - .globl sys32_pread_wrapper -sys32_pread_wrapper: + .globl sys32_pread64_wrapper +sys32_pread64_wrapper: llgfr %r2,%r2 # unsigned int llgtr %r3,%r3 # char * llgfr %r4,%r4 # size_t llgfr %r5,%r5 # u32 llgfr %r6,%r6 # u32 - jg sys32_pread # branch to system call + jg sys32_pread64 # branch to system call - .globl sys32_pwrite_wrapper -sys32_pwrite_wrapper: + .globl sys32_pwrite64_wrapper +sys32_pwrite64_wrapper: llgfr %r2,%r2 # unsigned int llgtr %r3,%r3 # const char * llgfr %r4,%r4 # size_t llgfr %r5,%r5 # u32 llgfr %r6,%r6 # u32 - jg sys32_pwrite # branch to system call + jg sys32_pwrite64 # branch to system call .globl sys32_chown16_wrapper sys32_chown16_wrapper: - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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