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authorAlison Schofield <amsfield22@gmail.com>2016-07-26 20:17:43 -0700
committerJonathan Cameron <jic23@kernel.org>2016-08-15 17:05:30 +0100
commitddbc719f99cf9aed6918cef98cb3475fd4fc4fa6 (patch)
tree70a3b81e810ada06a5426e0d3e8a17918b28c255 /tools
parent0d9dcf852334b796bacc7020364afba3122db81e (diff)
downloadlinux-stericsson-ddbc719f99cf9aed6918cef98cb3475fd4fc4fa6.tar.gz
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>
Diffstat (limited to 'tools')
-rw-r--r--tools/iio/iio_generic_buffer.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/iio/iio_generic_buffer.c b/tools/iio/iio_generic_buffer.c
index 0e8a1f7a292d..ae68bf0e2d51 100644
--- a/tools/iio/iio_generic_buffer.c
+++ b/tools/iio/iio_generic_buffer.c
@@ -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();