Minix/minix
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Retired DEV_{READ,WRITE,GATHER,SCATTER,IOCTL} (safe versions *_S are to

Browse Source 
be used and drivers should never receieve these 'unsafe' variants
any more).
This commit is contained in:
Ben Gras
2007-02-07 16:22:19 +00:00
parent 41e9fedf87
commit 8ea438ae93
25 changed files with 126 additions and 94 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/random/main.c
View File

@@ -122,12 +122,12 @@ int safe; /* safe copies? */
/* Random number generator. Character instead of block device. */
case RANDOM_DEV:
if (opcode == DEV_GATHER && !random_isseeded())
if (opcode == DEV_GATHER_S && !random_isseeded())
return(EAGAIN);
left = count;
while (left > 0) {
chunk = (left > RANDOM_BUF_SIZE) ? RANDOM_BUF_SIZE : left;
if (opcode == DEV_GATHER) {
if (opcode == DEV_GATHER_S) {
random_getbytes(random_buf, chunk);
if(safe) {
r= sys_safecopyto(proc_nr, user_vir, vir_offset,
@@ -143,7 +143,7 @@ int safe; /* safe copies? */
sys_vircopy(SELF, D, (vir_bytes) random_buf,
proc_nr, D, user_vir + vir_offset, chunk);
}
} else if (opcode == DEV_SCATTER) {
} else if (opcode == DEV_SCATTER_S) {
if(safe) {
r= sys_safecopyfrom(proc_nr, user_vir, vir_offset,
(vir_bytes) random_buf, chunk, D);