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staging: android: ion: Return an ERR_PTR in ion_map_kernel
authorLaura Abbott <labbott@redhat.com>
Mon, 11 Jun 2018 18:06:53 +0000 (11:06 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 25 Jun 2018 14:54:04 +0000 (22:54 +0800)
commit0a2bc00341dcfcc793c0dbf4f8d43adf60458b05
tree56d8e43eea661ff40a4e39e9d7cd8a2fc0ecd69dtree
parent1376b0a2160319125c3a2822e8c09bd283cd8141commit | diff
staging: android: ion: Return an ERR_PTR in ion_map_kernel

The expected return value from ion_map_kernel is an ERR_PTR. The error
path for a vmalloc failure currently just returns NULL, triggering
a warning in ion_buffer_kmap_get. Encode the vmalloc failure as an ERR_PTR.

Reported-by: syzbot+55b1d9f811650de944c6@syzkaller.appspotmail.com
Signed-off-by: Laura Abbott <labbott@redhat.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/android/ion/ion_heap.c diff | blob | history
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