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authorJacopo Mondi <jacopo@jmondi.org>2020-02-27 14:41:21 +0100
committerJacopo Mondi <jacopo@jmondi.org>2020-03-20 15:12:21 +0100
commite0808528d855dd6f4a82ee4a569a86cf6e45f532 (patch)
tree143a83d7e690600928bbfdab7a0378418454f1df /test/utils.cpp
parentad5d123578ca5b0cd8ed43a8d21a62cc55422870 (diff)
libcamera: v4l2_controls: Fix usage of strerror()
On failure, the return code from V4L2Device::ioctl() is the negative error code set by the failed ::ioctl() system call. When the return code of V4L2Device::ioctl() is provided to strerror() it has to be negated again to obtain the positive error code. Fix a few wrong usages of the return code which provided to the strerror() function a negative error code. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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