[JFFS2] Solve BUG caused by frag->node representing a hole in fragtree
[JFFS2] Solve BUG caused by frag->node representing a hole in fragtree

Signed-off-by: Artem B. Bityutskiy <e9e216302cf029bb622c0383fe00c08402269f9b@infradead.org>
Signed-off-by: Thomas Gleixner <00e4cf8f46a57000a44449bf9dd8cbbcc209fd2a@linutronix.de>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas