Patch "selftests/powerpc: Fix resource leaks" has been added to the 4.19-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    selftests/powerpc: Fix resource leaks

to the 4.19-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     selftests-powerpc-fix-resource-leaks.patch
and it can be found in the queue-4.19 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit e459240cbf2762acc35dbac912091221460732a2
Author: Miaoqian Lin <linmq006@xxxxxxxxx>
Date:   Mon Dec 5 12:44:27 2022 +0400

    selftests/powerpc: Fix resource leaks
    
    [ Upstream commit 8f4ab7da904ab7027ccd43ddb4f0094e932a5877 ]
    
    In check_all_cpu_dscr_defaults, opendir() opens the directory stream.
    Add missing closedir() in the error path to release it.
    
    In check_cpu_dscr_default, open() creates an open file descriptor.
    Add missing close() in the error path to release it.
    
    Fixes: ebd5858c904b ("selftests/powerpc: Add test for all DSCR sysfs interfaces")
    Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>
    Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
    Link: https://lore.kernel.org/r/20221205084429.570654-1-linmq006@xxxxxxxxx
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c b/tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c
index 1899bd85121f..3f6d5be5bd14 100644
--- a/tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c
+++ b/tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c
@@ -27,6 +27,7 @@ static int check_cpu_dscr_default(char *file, unsigned long val)
 	rc = read(fd, buf, sizeof(buf));
 	if (rc == -1) {
 		perror("read() failed");
+		close(fd);
 		return 1;
 	}
 	close(fd);
@@ -68,8 +69,10 @@ static int check_all_cpu_dscr_defaults(unsigned long val)
 		if (access(file, F_OK))
 			continue;
 
-		if (check_cpu_dscr_default(file, val))
+		if (check_cpu_dscr_default(file, val)) {
+			closedir(sysfs);
 			return 1;
+		}
 	}
 	closedir(sysfs);
 	return 0;