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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 /drivers/mtd/nand/gpmi-nand | |
| parent | mtd: brcmnand: Add support for v6.2 controllers (diff) | |
| download | linux-dev-2cd395d13a104cd96ddae5c5612871dc18553cca.tar.xz linux-dev-2cd395d13a104cd96ddae5c5612871dc18553cca.zip | |
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>
Diffstat (limited to 'drivers/mtd/nand/gpmi-nand')
| -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 8122c699ccf2..dcb60b0fe5eb 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; } |