perf, x86: Fix silly bug in data store buffer allocation
perf, x86: Fix silly bug in data store buffer allocation

Fix up the ds allocation error path, where we could free @buffer before
we used it.

Signed-off-by: Peter Zijlstra <645ca7d3a8d3d4f60557176cd361ea8351edc32b@chello.nl>
Cc: Arnaldo Carvalho de Melo <293abb6b76d7791c0732cc517d38c4b5c734b87f@infradead.org>
Cc: 19a0ba370c443ba08d20b5061586430ab449ee8c@samba.org
Cc: f199ae9781930a5b94b284ca2f471140752002a7@google.com
Cc: 22a70fd9773e4de05b12c05075e9bcd605577f4d@amd.com
Cc: e8a1bf9163cb25e93cfd6540f223b3872ea7ee55@gmail.com
LKML-Reference: <4484249bf86e1d323611c9ba36d170f454b901e8@chello.nl>
Signed-off-by: Ingo Molnar <9dbbbf0688fedc85ad4da37637f1a64b8c718ee2@elte.hu>

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