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authorrwatson <rwatson@FreeBSD.org>2007-02-19 22:56:10 +0000
committerrwatson <rwatson@FreeBSD.org>2007-02-19 22:56:10 +0000
commitef9ccd29e1a576002ccd772709022d4bf551e69f (patch)
tree8db3f58609c3f393924c81326947cb65e08ed0d8 /sys/kern/sysv_shm.c
parentac3a9d22a9b4175e5e359d25781e64b9aeb740cb (diff)
downloadFreeBSD-src-ef9ccd29e1a576002ccd772709022d4bf551e69f.zip
FreeBSD-src-ef9ccd29e1a576002ccd772709022d4bf551e69f.tar.gz
Remove call to ipcperm() in shmget_existing(). The flags argument is
ignored on other systems I investigated when accessing an existing memory segment rather than creating a new one. This call to ipcperm() is the only one to pass in a complete mode flag to the permission checks rather than a simple access request mask, and caused problems for the revised ipcperm() based on the priv(9) interface, which can now be restored. PR: 106078
Diffstat (limited to 'sys/kern/sysv_shm.c')
-rw-r--r--sys/kern/sysv_shm.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/sys/kern/sysv_shm.c b/sys/kern/sysv_shm.c
index 2fc2d71..fe568b4 100644
--- a/sys/kern/sysv_shm.c
+++ b/sys/kern/sysv_shm.c
@@ -722,9 +722,6 @@ shmget_existing(td, uap, mode, segnum)
if (error != 0)
return (error);
#endif
- error = ipcperm(td, &shmseg->u.shm_perm, mode);
- if (error)
- return (error);
if (uap->size && uap->size > shmseg->u.shm_segsz)
return (EINVAL);
td->td_retval[0] = IXSEQ_TO_IPCID(segnum, shmseg->u.shm_perm);
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