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Diffstat (limited to 'arch/um/sys-i386/bugs.c')
-rw-r--r--arch/um/sys-i386/bugs.c54
1 files changed, 24 insertions, 30 deletions
diff --git a/arch/um/sys-i386/bugs.c b/arch/um/sys-i386/bugs.c
index e524a08..cae0af1 100644
--- a/arch/um/sys-i386/bugs.c
+++ b/arch/um/sys-i386/bugs.c
@@ -1,4 +1,4 @@
-/*
+/*
* Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
* Licensed under the GPL
*/
@@ -32,21 +32,21 @@ static char token(int fd, char *buf, int len, char stop)
n = os_read_file(fd, ptr, sizeof(*ptr));
c = *ptr++;
if(n != sizeof(*ptr)){
- if(n == 0) return(0);
+ if(n == 0)
+ return 0;
printk("Reading /proc/cpuinfo failed, err = %d\n", -n);
if(n < 0)
- return(n);
- else
- return(-EIO);
+ return n;
+ else return -EIO;
}
} while((c != '\n') && (c != stop) && (ptr < end));
if(ptr == end){
printk("Failed to find '%c' in /proc/cpuinfo\n", stop);
- return(-1);
+ return -1;
}
*(ptr - 1) = '\0';
- return(c);
+ return c;
}
static int find_cpuinfo_line(int fd, char *key, char *scratch, int len)
@@ -58,25 +58,25 @@ static int find_cpuinfo_line(int fd, char *key, char *scratch, int len)
while(1){
c = token(fd, scratch, len - 1, ':');
if(c <= 0)
- return(0);
+ return 0;
else if(c != ':'){
printk("Failed to find ':' in /proc/cpuinfo\n");
- return(0);
+ return 0;
}
if(!strncmp(scratch, key, strlen(key)))
- return(1);
+ return 1;
do {
n = os_read_file(fd, &c, sizeof(c));
if(n != sizeof(c)){
printk("Failed to find newline in "
"/proc/cpuinfo, err = %d\n", -n);
- return(0);
+ return 0;
}
} while(c != '\n');
}
- return(0);
+ return 0;
}
static int check_cpu_flag(char *feature, int *have_it)
@@ -96,7 +96,8 @@ static int check_cpu_flag(char *feature, int *have_it)
goto out;
c = token(fd, buf, len - 1, ' ');
- if(c < 0) goto out;
+ if(c < 0)
+ goto out;
else if(c != ' '){
printk("Failed to find ' ' in /proc/cpuinfo\n");
goto out;
@@ -104,7 +105,8 @@ static int check_cpu_flag(char *feature, int *have_it)
while(1){
c = token(fd, buf, len - 1, ' ');
- if(c < 0) goto out;
+ if(c < 0)
+ goto out;
else if(c == '\n') break;
if(!strcmp(buf, feature)){
@@ -113,8 +115,10 @@ static int check_cpu_flag(char *feature, int *have_it)
}
}
out:
- if(*have_it == 0) printk("No\n");
- else if(*have_it == 1) printk("Yes\n");
+ if(*have_it == 0)
+ printk("No\n");
+ else if(*have_it == 1)
+ printk("Yes\n");
os_close_file(fd);
return 1;
}
@@ -166,12 +170,13 @@ int arch_handle_signal(int sig, union uml_pt_regs *regs)
/* This is testing for a cmov (0x0f 0x4x) instruction causing a
* SIGILL in init.
*/
- if((sig != SIGILL) || (TASK_PID(get_current()) != 1)) return(0);
+ if((sig != SIGILL) || (TASK_PID(get_current()) != 1))
+ return 0;
if (copy_from_user_proc(tmp, (void *) UPT_IP(regs), 2))
panic("SIGILL in init, could not read instructions!\n");
if((tmp[0] != 0x0f) || ((tmp[1] & 0xf0) != 0x40))
- return(0);
+ return 0;
if(host_has_cmov == 0)
panic("SIGILL caused by cmov, which this processor doesn't "
@@ -185,16 +190,5 @@ int arch_handle_signal(int sig, union uml_pt_regs *regs)
"implements it, boot a filesystem compiled for older "
"processors");
else panic("Bad value for host_has_cmov (%d)", host_has_cmov);
- return(0);
+ return 0;
}
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */