[PATCH] fix wrong error code on interrupted close syscalls

[linux-block.git] / fs / open.c

diff --git a/fs/open.c b/fs/open.c
index 1574d8fe4909de63baf93d6129ace8a2f990a94c..304c1c7814cbacfec0695e8714c5557ea8ee0e9b 100644 (file)
--- a/fs/open.c
+++ b/fs/open.c
@@ -1173,6 +1173,7 @@ asmlinkage long sys_close(unsigned int fd)
        struct file * filp;
        struct files_struct *files = current->files;
        struct fdtable *fdt;
+       int retval;
 
        spin_lock(&files->file_lock);
        fdt = files_fdtable(files);
@@ -1185,7 +1186,16 @@ asmlinkage long sys_close(unsigned int fd)
        FD_CLR(fd, fdt->close_on_exec);
        __put_unused_fd(files, fd);
        spin_unlock(&files->file_lock);
-       return filp_close(filp, files);
+       retval = filp_close(filp, files);
+
+       /* can't restart close syscall because file table entry was cleared */
+       if (unlikely(retval == -ERESTARTSYS ||
+                    retval == -ERESTARTNOINTR ||
+                    retval == -ERESTARTNOHAND ||
+                    retval == -ERESTART_RESTARTBLOCK))
+               retval = -EINTR;
+
+       return retval;
 
 out_unlock:
        spin_unlock(&files->file_lock);