+ lib-decompress_unxz-make-it-obvious-that-there-is-no-memory-leak.patch added to mm-nonmm-unstable branch

[Andrew Morton <akpm@linux-foundation.org>]

The patch titled
     Subject: lib: decompress_unxz: make it obvious that there is no memory leak
has been added to the -mm mm-nonmm-unstable branch.  Its filename is
     lib-decompress_unxz-make-it-obvious-that-there-is-no-memory-leak.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/lib-decompress_unxz-make-it-obvious-that-there-is-no-memory-leak.patch

This patch will later appear in the mm-nonmm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Ivy Lopez <skunkolee@gmail.com>
Subject: lib: decompress_unxz: make it obvious that there is no memory leak
Date: Mon, 31 Aug 2026 19:41:38 -0600

Calling __decompress() or unxz() with fill == NULL && flush == NULL && in
== NULL is invalid, thus there were no memory leaks even though it might
have looked like that.  Move the conditional free() calls so that it's
obvious that there are no leaks.

Link: https://lore.kernel.org/20260901014138.22699-1-skunkolee@gmail.com
Signed-off-by: Ivy Lopez <skunkolee@gmail.com>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=207113
Link: https://lore.kernel.org/lkml/20241006072542.66442-2-t.v.s10123@gmail.com/T/
Link: https://lore.kernel.org/lkml/20260825191333.34276-1-skunkolee@gmail.com/T/
Reviewed-by: Lasse Collin <lasse.collin@tukaani.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 lib/decompress_unxz.c |   10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

--- a/lib/decompress_unxz.c~lib-decompress_unxz-make-it-obvious-that-there-is-no-memory-leak
+++ a/lib/decompress_unxz.c
@@ -342,13 +342,13 @@ STATIC int INIT unxz(unsigned char *in,
 				b.out_pos = 0;
 			}
 		} while (ret == XZ_OK);
+	}
 
-		if (must_free_in)
-			free(in);
+	if (must_free_in)
+		free(in);
 
-		if (flush != NULL)
-			free(b.out);
-	}
+	if (flush != NULL)
+		free(b.out);
 
 	if (in_used != NULL)
 		*in_used += b.in_pos;
_

Patches currently in -mm which might be from skunkolee@gmail.com are

lib-decompress_unxz-make-it-obvious-that-there-is-no-memory-leak.patch