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linux/drivers/nfc
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Johan Hovold c3953a3c2d NFC: nfcmrvl: fix gpio-handling regression 
Fix two reset-gpio sanity checks which were never converted to use
gpio_is_valid(), and make sure to use -EINVAL to indicate a missing
reset line also for the UART-driver module parameter and for the USB
driver.

This specifically prevents the UART and USB drivers from incidentally
trying to request and use gpio 0, and also avoids triggering a WARN() in
gpio_to_desc() during probe when no valid reset line has been specified.

Fixes: e33a3f84f8 ("NFC: nfcmrvl: allow gpio 0 for reset signalling")
Reported-by: syzbot+cf35b76f35e068a1107f@syzkaller.appspotmail.com
Tested-by: syzbot+cf35b76f35e068a1107f@syzkaller.appspotmail.com
Signed-off-by: Johan Hovold <johan@kernel.org>
 		2019-08-05 10:25:48 -07:00
..
fdp treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
microread treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 399 2019-06-05 17:37:12 +02:00
nfcmrvl NFC: nfcmrvl: fix gpio-handling regression 2019-08-05 10:25:48 -07:00
nxp-nci treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 399 2019-06-05 17:37:12 +02:00
pn533
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pn544 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 399 2019-06-05 17:37:12 +02:00
s3fwrn5 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 123 2019-05-24 17:39:03 +02:00
st-nci st_nci_hci_connectivity_event_received: null check the allocation 2019-07-25 11:48:06 -07:00
st21nfca st21nfca_connectivity_event_received: null check the allocation 2019-07-25 11:47:10 -07:00
st95hf treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 399 2019-06-05 17:37:12 +02:00
Kconfig
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Makefile
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mei_phy.c
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mei_phy.h
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nfcsim.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288 2019-06-05 17:36:37 +02:00
port100.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288 2019-06-05 17:36:37 +02:00
trf7970a.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 417 2019-06-05 17:37:15 +02:00