Hello Sumit Semwal,
The patch 817bd7253291: "dma-buf: cleanup dma_buf_export() to make it
easily extensible" from Jan 23, 2015, leads to the following static
checker warning:
drivers/staging/android/ion/ion.c:1112 ion_share_dma_buf()
error: potentially dereferencing uninitialized 'buffer'.
drivers/staging/android/ion/ion.c
1103 struct dma_buf *ion_share_dma_buf(struct ion_client *client,
1104 struct ion_handle *handle)
1105 {
1106 struct ion_buffer *buffer;
^^^^^^
1107 struct dma_buf *dmabuf;
1108 bool valid_handle;
1109 DEFINE_DMA_BUF_EXPORT_INFO(exp_info);
1110
1111 exp_info.ops = &dma_buf_ops;
1112 exp_info.size = buffer->size;
^^^^^^
1113 exp_info.flags = O_RDWR;
1114 exp_info.priv = buffer;
^^^^^^
And here also.
1115
regards,
dan carpenter
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