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author | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-09-04 19:01:23 +0200 |
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committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-09-04 19:02:48 +0200 |
commit | 662394fb30fdbcc89ec387918714aebee6868a9f (patch) | |
tree | c308c5f1a650abf9d9ccbb2a1747469a0d8570c0 /target/linux/brcm2708/patches-4.19/950-0673-w1-ds2413-fix-state-byte-comparision.patch | |
parent | 99a5e285887c4a10aaf06d8e01fae0707995da00 (diff) | |
download | upstream-662394fb30fdbcc89ec387918714aebee6868a9f.tar.gz upstream-662394fb30fdbcc89ec387918714aebee6868a9f.tar.bz2 upstream-662394fb30fdbcc89ec387918714aebee6868a9f.zip |
brcm2708: update to latest patches from RPi foundation
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0673-w1-ds2413-fix-state-byte-comparision.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0673-w1-ds2413-fix-state-byte-comparision.patch | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0673-w1-ds2413-fix-state-byte-comparision.patch b/target/linux/brcm2708/patches-4.19/950-0673-w1-ds2413-fix-state-byte-comparision.patch deleted file mode 100644 index 0c866dada4..0000000000 --- a/target/linux/brcm2708/patches-4.19/950-0673-w1-ds2413-fix-state-byte-comparision.patch +++ /dev/null @@ -1,48 +0,0 @@ -From d928cdb13ddd26dd4695d8626990303e9f348a8d Mon Sep 17 00:00:00 2001 -From: Mariusz Bialonczyk <manio@skyboo.net> -Date: Thu, 30 May 2019 09:51:25 +0200 -Subject: [PATCH 673/773] w1: ds2413: fix state byte comparision - -commit aacd152ecd7b18af5d2d96dea9e7284c1c93abea upstream. - -This commit is fixing a smatch warning: -drivers/w1/slaves/w1_ds2413.c:61 state_read() warn: impossible condition '(*buf == 255) => ((-128)-127 == 255)' -by creating additional u8 variable for the bus reading and comparision - -Reported-by: kbuild test robot <lkp@intel.com> -Reported-by: Dan Carpenter <dan.carpenter@oracle.com> -Cc: Dan Carpenter <dan.carpenter@oracle.com> -Fixes: 3856032a0628 ("w1: ds2413: when the slave is not responding during read, select it again") -Signed-off-by: Mariusz Bialonczyk <manio@skyboo.net> -Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> ---- - drivers/w1/slaves/w1_ds2413.c | 8 +++++--- - 1 file changed, 5 insertions(+), 3 deletions(-) - ---- a/drivers/w1/slaves/w1_ds2413.c -+++ b/drivers/w1/slaves/w1_ds2413.c -@@ -33,6 +33,7 @@ static ssize_t state_read(struct file *f - struct w1_slave *sl = kobj_to_w1_slave(kobj); - unsigned int retries = W1_F3A_RETRIES; - ssize_t bytes_read = -EIO; -+ u8 state; - - dev_dbg(&sl->dev, - "Reading %s kobj: %p, off: %0#10x, count: %zu, buff addr: %p", -@@ -53,12 +54,13 @@ next: - while (retries--) { - w1_write_8(sl->master, W1_F3A_FUNC_PIO_ACCESS_READ); - -- *buf = w1_read_8(sl->master); -- if ((*buf & 0x0F) == ((~*buf >> 4) & 0x0F)) { -+ state = w1_read_8(sl->master); -+ if ((state & 0x0F) == ((~state >> 4) & 0x0F)) { - /* complement is correct */ -+ *buf = state; - bytes_read = 1; - goto out; -- } else if (*buf == W1_F3A_INVALID_PIO_STATE) { -+ } else if (state == W1_F3A_INVALID_PIO_STATE) { - /* slave didn't respond, try to select it again */ - dev_warn(&sl->dev, "slave device did not respond to PIO_ACCESS_READ, " \ - "reselecting, retries left: %d\n", retries); |