[MTD] Fix potential leak in rfd_ftl_add_mtd
[MTD] Fix potential leak in rfd_ftl_add_mtd

This fixes a leak in the !mtd->erasesize error path (Coverity 1765).

Signed-off-by: Florin Malita <a8262bf13ea8c26821e91ea9bca6740a77c96dcd@gmail.com>
Signed-off-by: David Woodhouse <97b3379caa91f4ee97e44013ae4dc6350540fa9d@infradead.org>

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