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99-com.rules: fix error invalid substitution type

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fix below error:
/etc/udev/rules.d/99-com.rules:10 Invalid value "/bin/sh -c
'ALIASES=/proc/device-tree/aliases; if cmp -s $ALIASES/uart0
$ALIASES/serial0; then echo 0;elif cmp -s $ALIASES/uart0
$ALIASES/serial1; then echo 1; else exit 1; fi'" for PROGRAM (char 58:
invalid substitution type)

Signed-off-by: Changqing Li <changqing.li@windriver.com>
This commit is contained in:
Changqing Li 2021-05-13 11:15:47 +08:00 committed by Andrei Gherzan
parent 4302d3a509
commit fb253346c2
1 changed files with 4 additions and 4 deletions
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8
recipes-core/udev/udev-rules-rpi/99-com.rules
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@ -1,8 +1,8 @@
KERNEL=="ttyAMA[01]", PROGRAM="/bin/sh -c '\
ALIASES=/proc/device-tree/aliases; \
if cmp -s $ALIASES/uart0 $ALIASES/serial0; then \
if cmp -s $$ALIASES/uart0 $$ALIASES/serial0; then \
echo 0;\
elif cmp -s $ALIASES/uart0 $ALIASES/serial1; then \
elif cmp -s $$ALIASES/uart0 $$ALIASES/serial1; then \
echo 1; \
else \
exit 1; \
@ -11,9 +11,9 @@ KERNEL=="ttyAMA[01]", PROGRAM="/bin/sh -c '\
KERNEL=="ttyS0", PROGRAM="/bin/sh -c '\
ALIASES=/proc/device-tree/aliases; \
if cmp -s $ALIASES/uart1 $ALIASES/serial0; then \
if cmp -s $$ALIASES/uart1 $$ALIASES/serial0; then \
echo 0; \
elif cmp -s $ALIASES/uart1 $ALIASES/serial1; then \
elif cmp -s $$ALIASES/uart1 $$ALIASES/serial1; then \
echo 1; \
else \
exit 1; \