staging: dgap: fix possible NULL dereference

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The return pointer from dgap_getword() is used in strcmp() where it is
dereferenced. But dgap_getword() can return NULL.
Lets put a check there and return 0 as error.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Sudip Mukherjee 2015-09-10 17:24:58 +05:30 • committed by Greg Kroah-Hartman

parent 60aff4ffba

commit 39be6b8b0c

1 changed files with 2 additions and 0 deletions

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drivers/staging/dgap/dgap.c

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