diff options
author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1997-03-27 19:57:56 +0000 |
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committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1997-03-27 19:57:56 +0000 |
commit | 766488bbfe73a2b3e296284ebd18ce4b234164ff (patch) | |
tree | 42a05fabb022454cc3f06ffea4a8acdd8cb147db /sbin | |
parent | 84c16eda79758ac66d94562ced67a344ca3b2e28 (diff) |
fix -u/-p problems reported by mks@msc.edu; but be a bit more careful..
Diffstat (limited to 'sbin')
-rw-r--r-- | sbin/modload/modload.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/sbin/modload/modload.c b/sbin/modload/modload.c index f035506e2a5..88a24506a91 100644 --- a/sbin/modload/modload.c +++ b/sbin/modload/modload.c @@ -1,4 +1,4 @@ -/* $OpenBSD: modload.c,v 1.11 1997/01/18 15:12:44 mickey Exp $ */ +/* $OpenBSD: modload.c,v 1.12 1997/03/27 19:57:55 deraadt Exp $ */ /* $NetBSD: modload.c,v 1.13 1995/05/28 05:21:58 jtc Exp $ */ /* @@ -129,8 +129,12 @@ int fileopen = 0; #define PART_RESRV 0x04 int devfd, modfd; struct lmc_resrv resrv; -char modout[80]; +char modout[MAXPATHLEN]; +/* + * Must be safe for two calls. One in case of the -p option, and one from + * the atexit() call... + */ void cleanup() { @@ -140,16 +144,23 @@ cleanup() */ if (ioctl(devfd, LMUNRESRV, 0) == -1) warn("can't release slot 0x%08x memory", resrv.slot); + fileopen &= ~PART_RESRV; } - if (fileopen & DEV_OPEN) + if (fileopen & DEV_OPEN) { close(devfd); + fileopen &= ~DEV_OPEN; + } - if (fileopen & MOD_OPEN) + if (fileopen & MOD_OPEN) { close(modfd); + fileopen &= ~MOD_OPEN; + } - if(dounlink && unlink(modout) != 0) + if(dounlink && unlink(modout) != 0) { err(17, "unlink(%s)", modout); + dounlink = 0; + } } int @@ -496,6 +507,9 @@ main(argc, argv) * The modload docs say that drivers can install bdevsw & * cdevsw, but the interface only supports one at a time. */ + + cleanup(); + execl(post, post, id, type, offset, 0); err(16, "can't exec `%s'", post); } |