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tools: iio: iio_generic_buffer: initialize channel array pointer 

Uninitialized channel pointer causes segmentation fault when we
call free(channel) during cleanup() with no channels initialized.
This happens when you exit early for usage errors.  Initialize
the pointer to NULL when it is declared.

Signed-off-by: Alison Schofield <amsfield22@gmail.com>
Cc: Daniel Baluta <daniel.baluta@gmail.com>
Tested-by: Gregor Boirie <gregor.boirie@parrot.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Alison Schofield 2016-07-26 20:17:43 -07:00 committed by Jonathan Cameron
parent 0d9dcf8523
commit ddbc719f99
1 changed files with 1 additions and 1 deletions
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2
tools/iio/iio_generic_buffer.c
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@ -348,7 +348,7 @@ int main(int argc, char **argv)
int notrigger = 0;
char *dummy;
struct iio_channel_info *channels;
struct iio_channel_info *channels = NULL;
register_cleanup();