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Additional argument checking for config functions.

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This commit is contained in:
Martin Ling 2013-11-18 20:08:25 +00:00
parent 8f189c4c0f
commit 823690ae3e
1 changed files with 8 additions and 0 deletions
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8
serialport.c
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@ -1010,6 +1010,11 @@ int sp_set_config(struct sp_port *port, struct sp_port_config *config)
struct port_data data;
struct sp_port_config prev_config;
CHECK_PORT();
if (!config)
return SP_ERR_ARG;
TRY(get_config(port, &data, &prev_config));
TRY(set_config(port, &data, config));
@ -1019,6 +1024,7 @@ int sp_set_config(struct sp_port *port, struct sp_port_config *config)
#define CREATE_SETTER(x) int sp_set_##x(struct sp_port *port, int x) { \
struct port_data data; \
struct sp_port_config config; \
CHECK_PORT(); \
TRY(get_config(port, &data, &config)); \
config.x = x; \
TRY(set_config(port, &data, &config)); \
@ -1040,6 +1046,8 @@ int sp_set_flowcontrol(struct sp_port *port, int flowcontrol)
struct port_data data;
struct sp_port_config config;
CHECK_PORT();
TRY(get_config(port, &data, &config));
if (flowcontrol == SP_FLOWCONTROL_XONXOFF)