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author | Han Xu <han.xu@nxp.com> | 2016-04-04 15:41:29 -0500 |
---|---|---|
committer | Boris Brezillon <boris.brezillon@free-electrons.com> | 2016-04-19 22:04:52 +0200 |
commit | 2cd395d13a104cd96ddae5c5612871dc18553cca (patch) | |
tree | 05227121a6e9d98b7ea9a320ada0761c03fb4ffb | |
parent | 269ecf03a5b32b0d1de1f60a4b86b75c0521053f (diff) | |
download | op-kernel-dev-2cd395d13a104cd96ddae5c5612871dc18553cca.zip op-kernel-dev-2cd395d13a104cd96ddae5c5612871dc18553cca.tar.gz |
mtd: gpmi: fix raw_buffer pointer double free issue
fix the raw_buffer pointer double free issue found by coverify.
CID 18344 (#2 of 2): Double free (USE_AFTER_FREE)
3. double_free: Calling gpmi_alloc_dma_buffer frees pointer
this->raw_buffer which has already been freed
Signed-off-by: Han Xu <han.xu@nxp.com>
Reviewed-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
-rw-r--r-- | drivers/mtd/nand/gpmi-nand/gpmi-nand.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c index 8122c69..dcb60b0 100644 --- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c +++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c @@ -797,6 +797,7 @@ static void gpmi_free_dma_buffer(struct gpmi_nand_data *this) this->cmd_buffer = NULL; this->data_buffer_dma = NULL; + this->raw_buffer = NULL; this->page_buffer_virt = NULL; this->page_buffer_size = 0; } |