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The Linux unlink syscall uses a different errno value when trying to unlink

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PR:		102897 [1]
Noticed by:	Knut Anders Hatlen <kahatlen@gmail.com>, testrun with LTP [1]
Submitted by:	Marcin Cieslak <saper@SYSTEM.PL>
Tested by:	netchild (LTP test run)
This commit is contained in:
Alexander Leidinger 2006-09-10 13:47:56 +00:00
parent d6b910d295
commit db0d964062
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=162201
1 changed files with 7 additions and 0 deletions
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7
sys/compat/linux/linux_file.c
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@ -45,6 +45,7 @@ __FBSDID("$FreeBSD$");
#include <sys/mount.h>
#include <sys/mutex.h>
#include <sys/proc.h>
#include <sys/stat.h>
#include <sys/syscallsubr.h>
#include <sys/sysproto.h>
#include <sys/tty.h>
@ -495,6 +496,7 @@ linux_unlink(struct thread *td, struct linux_unlink_args *args)
{
char *path;
int error;
struct stat st;
LCONVPATHEXIST(td, args->path, &path);
@ -504,6 +506,11 @@ linux_unlink(struct thread *td, struct linux_unlink_args *args)
#endif
error = kern_unlink(td, path, UIO_SYSSPACE);
if (error == EPERM)
/* Introduce POSIX noncompliant behaviour of Linux */
if (kern_stat(td, path, UIO_SYSSPACE, &st) == 0)
if (S_ISDIR(st.st_mode))
error = EISDIR;
LFREEPATH(path);
return (error);
}