diff options
| author | Colin Ian King <colin.king@canonical.com> | 2018-11-16 19:42:23 +0100 |
|---|---|---|
| committer | Boris Brezillon <boris.brezillon@bootlin.com> | 2018-12-05 17:22:58 +0100 |
| commit | 2b2b283c059617e1be6b49872fd004b59c66594a (patch) | |
| tree | 1c1532dcde1b8e058502245a409282f8c643f4ae /drivers/i3c | |
| parent | MAINTAINERS: Add myself as the dw-i3c-master module maintainer (diff) | |
| download | linux-2b2b283c059617e1be6b49872fd004b59c66594a.tar.xz linux-2b2b283c059617e1be6b49872fd004b59c66594a.zip | |
i3c: master: dw: fix mask operation by using the correct operator
The masking operation on status is using a bitwise 'or' rather than
a bitwise 'and' operator, and hence the result is always non-zero
which is probably not what is intended. Fix this by using the correct
operator.
Detected by CoverityScan, CID#1475523 ("Wrong operator used")
Fixes: 88acc98a712a ("i3c: master: Add driver for Synopsys DesignWare IP")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Vitor Soares <vitor.soares@synopsys.com>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Diffstat (limited to 'drivers/i3c')
| -rw-r--r-- | drivers/i3c/master/dw-i3c-master.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/i3c/master/dw-i3c-master.c b/drivers/i3c/master/dw-i3c-master.c index 0153e6e9de52..b532e2c9cf5c 100644 --- a/drivers/i3c/master/dw-i3c-master.c +++ b/drivers/i3c/master/dw-i3c-master.c @@ -1085,7 +1085,7 @@ static irqreturn_t dw_i3c_master_irq_handler(int irq, void *dev_id) spin_lock(&master->xferqueue.lock); dw_i3c_master_end_xfer_locked(master, status); - if (status | INTR_TRANSFER_ERR_STAT) + if (status & INTR_TRANSFER_ERR_STAT) writel(INTR_TRANSFER_ERR_STAT, master->regs + INTR_STATUS); spin_unlock(&master->xferqueue.lock); |