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| author | WANG Cong <xiyou.wangcong@gmail.com> | 2008-02-04 22:30:41 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-05 09:44:25 -0800 |
| commit | c0a9290ecf0dbb89958cb3a3f78964015a7de402 (patch) | |
| tree | 1a987905fe5047cd74966149fc11689713cd7bea /arch/um/os-Linux | |
| parent | 9226b8384776798986640ce07764d17ba66aa54f (diff) | |
| download | linux-3.10-c0a9290ecf0dbb89958cb3a3f78964015a7de402.tar.gz linux-3.10-c0a9290ecf0dbb89958cb3a3f78964015a7de402.tar.bz2 linux-3.10-c0a9290ecf0dbb89958cb3a3f78964015a7de402.zip | |
uml: const and other tidying
This patch also does some improvements for uml code. Improvements include
dropping unnecessary cast, killing some unnecessary code and still some
constifying for pointers etc..
Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/um/os-Linux')
| -rw-r--r-- | arch/um/os-Linux/drivers/tuntap_user.c | 2 | ||||
| -rw-r--r-- | arch/um/os-Linux/mem.c | 7 | ||||
| -rw-r--r-- | arch/um/os-Linux/sigio.c | 2 |
3 files changed, 6 insertions, 5 deletions
diff --git a/arch/um/os-Linux/drivers/tuntap_user.c b/arch/um/os-Linux/drivers/tuntap_user.c index 1037a3b6386..1d847959d1d 100644 --- a/arch/um/os-Linux/drivers/tuntap_user.c +++ b/arch/um/os-Linux/drivers/tuntap_user.c @@ -148,7 +148,7 @@ static int tuntap_open(void *data) memset(&ifr, 0, sizeof(ifr)); ifr.ifr_flags = IFF_TAP | IFF_NO_PI; strlcpy(ifr.ifr_name, pri->dev_name, sizeof(ifr.ifr_name)); - if (ioctl(pri->fd, TUNSETIFF, (void *) &ifr) < 0) { + if (ioctl(pri->fd, TUNSETIFF, &ifr) < 0) { err = -errno; printk(UM_KERN_ERR "TUNSETIFF failed, errno = %d\n", errno); diff --git a/arch/um/os-Linux/mem.c b/arch/um/os-Linux/mem.c index c3b736adc1d..9674ed1bef2 100644 --- a/arch/um/os-Linux/mem.c +++ b/arch/um/os-Linux/mem.c @@ -30,7 +30,7 @@ static char *tempdir = NULL; static void __init find_tempdir(void) { - char *dirs[] = { "TMP", "TEMP", "TMPDIR", NULL }; + const char *dirs[] = { "TMP", "TEMP", "TMPDIR", NULL }; int i; char *dir = NULL; @@ -59,9 +59,10 @@ static void __init find_tempdir(void) * read the file as needed. If there's an error, -errno is returned; * if the end of the file is reached, 0 is returned. */ -static int next(int fd, char *buf, int size, char c) +static int next(int fd, char *buf, size_t size, char c) { - int n, len; + ssize_t n; + size_t len; char *ptr; while((ptr = strchr(buf, c)) == NULL){ diff --git a/arch/um/os-Linux/sigio.c b/arch/um/os-Linux/sigio.c index dc03e9cccb6..7243f573377 100644 --- a/arch/um/os-Linux/sigio.c +++ b/arch/um/os-Linux/sigio.c @@ -407,7 +407,7 @@ static int async_pty(int master, int slave) if((fcntl(slave, F_SETFL, flags | O_NONBLOCK) < 0)) return -errno; - return(0); + return 0; } static void __init check_one_sigio(void (*proc)(int, int)) |