batman-adv: check return value of pskb_trim_rcsum()
batman-adv: check return value of pskb_trim_rcsum()

Reported-by: Sven Eckelmann <dd860110a62b19214c4ee03aec0abffecb4e86b8@narfation.org>
Signed-off-by: Marek Lindner <104240d543ffdbcddd3f116d866dc6166bffcd7a@yahoo.de>
Acked-by: Martin Hundebøll <54669547a225ff20cba8b75a4adca540eef25858@hundeboll.net>
Signed-off-by: Antonio Quartulli <ed91ce0fd2670d4a98b12fc9ec6b7a497c7ed53f@autistici.org>

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