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author | David S. Miller <davem@davemloft.net> | 2005-06-24 20:11:03 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2005-06-24 20:11:03 -0700 |
commit | e55c57e0b51c68d78845549505057169c6c3cba6 (patch) | |
tree | 0cd6da51ab2341c67b58d690c61edb4c6dda976b /include/asm-sparc64/termios.h | |
parent | 37616578539a47d9ace5e907ae73ea93a8cde740 (diff) | |
download | linux-e55c57e0b51c68d78845549505057169c6c3cba6.tar.gz linux-e55c57e0b51c68d78845549505057169c6c3cba6.tar.bz2 linux-e55c57e0b51c68d78845549505057169c6c3cba6.zip |
[SPARC64]: Report any user access faults in termios accessors.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/asm-sparc64/termios.h')
-rw-r--r-- | include/asm-sparc64/termios.h | 78 |
1 files changed, 41 insertions, 37 deletions
diff --git a/include/asm-sparc64/termios.h b/include/asm-sparc64/termios.h index 8effce0da087..9777a9cca88a 100644 --- a/include/asm-sparc64/termios.h +++ b/include/asm-sparc64/termios.h @@ -100,16 +100,17 @@ struct winsize { #define user_termio_to_kernel_termios(termios, termio) \ ({ \ unsigned short tmp; \ - get_user(tmp, &(termio)->c_iflag); \ + int err; \ + err = get_user(tmp, &(termio)->c_iflag); \ (termios)->c_iflag = (0xffff0000 & ((termios)->c_iflag)) | tmp; \ - get_user(tmp, &(termio)->c_oflag); \ + err |= get_user(tmp, &(termio)->c_oflag); \ (termios)->c_oflag = (0xffff0000 & ((termios)->c_oflag)) | tmp; \ - get_user(tmp, &(termio)->c_cflag); \ + err |= get_user(tmp, &(termio)->c_cflag); \ (termios)->c_cflag = (0xffff0000 & ((termios)->c_cflag)) | tmp; \ - get_user(tmp, &(termio)->c_lflag); \ + err |= get_user(tmp, &(termio)->c_lflag); \ (termios)->c_lflag = (0xffff0000 & ((termios)->c_lflag)) | tmp; \ - copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \ - 0; \ + err |= copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \ + err; \ }) /* @@ -119,53 +120,56 @@ struct winsize { */ #define kernel_termios_to_user_termio(termio, termios) \ ({ \ - put_user((termios)->c_iflag, &(termio)->c_iflag); \ - put_user((termios)->c_oflag, &(termio)->c_oflag); \ - put_user((termios)->c_cflag, &(termio)->c_cflag); \ - put_user((termios)->c_lflag, &(termio)->c_lflag); \ - put_user((termios)->c_line, &(termio)->c_line); \ - copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \ + int err; \ + err = put_user((termios)->c_iflag, &(termio)->c_iflag); \ + err |= put_user((termios)->c_oflag, &(termio)->c_oflag); \ + err |= put_user((termios)->c_cflag, &(termio)->c_cflag); \ + err |= put_user((termios)->c_lflag, &(termio)->c_lflag); \ + err |= put_user((termios)->c_line, &(termio)->c_line); \ + err |= copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \ if (!((termios)->c_lflag & ICANON)) { \ - put_user((termios)->c_cc[VMIN], &(termio)->c_cc[_VMIN]); \ - put_user((termios)->c_cc[VTIME], &(termio)->c_cc[_VTIME]); \ + err |= put_user((termios)->c_cc[VMIN], &(termio)->c_cc[_VMIN]); \ + err |= put_user((termios)->c_cc[VTIME], &(termio)->c_cc[_VTIME]); \ } \ - 0; \ + err; \ }) #define user_termios_to_kernel_termios(k, u) \ ({ \ - get_user((k)->c_iflag, &(u)->c_iflag); \ - get_user((k)->c_oflag, &(u)->c_oflag); \ - get_user((k)->c_cflag, &(u)->c_cflag); \ - get_user((k)->c_lflag, &(u)->c_lflag); \ - get_user((k)->c_line, &(u)->c_line); \ - copy_from_user((k)->c_cc, (u)->c_cc, NCCS); \ + int err; \ + err = get_user((k)->c_iflag, &(u)->c_iflag); \ + err |= get_user((k)->c_oflag, &(u)->c_oflag); \ + err |= get_user((k)->c_cflag, &(u)->c_cflag); \ + err |= get_user((k)->c_lflag, &(u)->c_lflag); \ + err |= get_user((k)->c_line, &(u)->c_line); \ + err |= copy_from_user((k)->c_cc, (u)->c_cc, NCCS); \ if((k)->c_lflag & ICANON) { \ - get_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \ - get_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \ + err |= get_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \ + err |= get_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \ } else { \ - get_user((k)->c_cc[VMIN], &(u)->c_cc[_VMIN]); \ - get_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \ + err |= get_user((k)->c_cc[VMIN], &(u)->c_cc[_VMIN]); \ + err |= get_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \ } \ - 0; \ + err; \ }) #define kernel_termios_to_user_termios(u, k) \ ({ \ - put_user((k)->c_iflag, &(u)->c_iflag); \ - put_user((k)->c_oflag, &(u)->c_oflag); \ - put_user((k)->c_cflag, &(u)->c_cflag); \ - put_user((k)->c_lflag, &(u)->c_lflag); \ - put_user((k)->c_line, &(u)->c_line); \ - copy_to_user((u)->c_cc, (k)->c_cc, NCCS); \ + int err; \ + err = put_user((k)->c_iflag, &(u)->c_iflag); \ + err |= put_user((k)->c_oflag, &(u)->c_oflag); \ + err |= put_user((k)->c_cflag, &(u)->c_cflag); \ + err |= put_user((k)->c_lflag, &(u)->c_lflag); \ + err |= put_user((k)->c_line, &(u)->c_line); \ + err |= copy_to_user((u)->c_cc, (k)->c_cc, NCCS); \ if(!((k)->c_lflag & ICANON)) { \ - put_user((k)->c_cc[VMIN], &(u)->c_cc[_VMIN]); \ - put_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \ + err |= put_user((k)->c_cc[VMIN], &(u)->c_cc[_VMIN]); \ + err |= put_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \ } else { \ - put_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \ - put_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \ + err |= put_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \ + err |= put_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \ } \ - 0; \ + err; \ }) #endif /* __KERNEL__ */ |