drivers/misc/hmc6352.c: fix wrong return value checking for i2c_master_recv()
drivers/misc/hmc6352.c: fix wrong return value checking for i2c_master_recv()

i2c_master_recv() returns negative errno, or else the number of bytes
read.  Thus i2c_master_recv(client, i2c_data, 2) returns 2 instead of 1 in
success case.

[5c1e68b099950c134891f0b6e179498a8ebe9cf9@linux-foundation.org: make `ret' signed]
Signed-off-by: Axel Lin <b6ffd6973e972cb999e8e535ab74da7fee0c035f@gmail.com>
Cc: Kalhan Trisal <6cd373f647c9934f628221af7d2593128c825f74@intel.com>
Cc: Alan Cox <91e38e63b890fbb214c8914809fde03c73e7f24d@linux.intel.com>
Signed-off-by: Andrew Morton <5c1e68b099950c134891f0b6e179498a8ebe9cf9@linux-foundation.org>
Signed-off-by: Linus Torvalds <69652caca27c8b940640ad396ab71f93cacec34f@linux-foundation.org>

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