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2011-03-03 Chris Johns <chrisj@rtems.org>

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PR 1749/filesystem
	* libcsupport/src/mknod.c: Fix the incorrect handling of the file type
	in the mode value o reject invalid types as per the standard.
This commit is contained in:
Joel Sherrill
2011-03-03 13:38:52 +00:00
parent 3601c29054
commit 5357e24abc
2 changed files with 19 additions and 2 deletions
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6
cpukit/ChangeLog
View File

@@ -1,3 +1,9 @@
2011-03-03 Chris Johns <chrisj@rtems.org>
PR 1749/filesystem
* libcsupport/src/mknod.c: Fix the incorrect handling of the file type
in the mode value o reject invalid types as per the standard.
2011-01-21 Eric Norum <wenorum@lbl.gov>
* libmisc/capture/capture.c: Avoid using TCB of task just deleted.

15
cpukit/libcsupport/src/mknod.c
View File

@@ -40,8 +40,19 @@ int mknod(
const char *name_start;
int result;
if ( !(mode & (S_IFREG|S_IFCHR|S_IFBLK|S_IFIFO) ) )
rtems_set_errno_and_return_minus_one( EINVAL );
/*
* The file type is field within the mode. Check we have a sane mode set.
*/
switch (mode & S_IFMT) {
case S_IFDIR:
case S_IFCHR:
case S_IFBLK:
case S_IFREG:
case S_IFIFO:
break;
default:
rtems_set_errno_and_return_minus_one( EINVAL );
}
if ( S_ISFIFO(mode) )
rtems_set_errno_and_return_minus_one( ENOTSUP );