Mirrors_Framework/c-periphery
1
0
Fork 0
mirror of https://github.com/vsergeev/c-periphery.git synced 2026-09-26 15:33:45 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

spi: clear handle fd on error to prevent spurious close() in spi_close()

Browse Source
This commit is contained in:
Vanya A. Sergeev
2020-09-11 01:41:51 -05:00
parent 879ef6932b
commit 5081fe1cbc
1 changed files with 3 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/spi.c
+3
View File
@@ -87,6 +87,7 @@ int spi_open_advanced(spi_t *spi, const char *path, unsigned int mode, uint32_t
if (ioctl(spi->fd, SPI_IOC_WR_MODE, &data8) < 0) {
int errsv = errno;
close(spi->fd);
spi->fd = -1;
return _spi_error(spi, SPI_ERROR_CONFIGURE, errsv, "Setting SPI mode");
}
@@ -94,6 +95,7 @@ int spi_open_advanced(spi_t *spi, const char *path, unsigned int mode, uint32_t
if (ioctl(spi->fd, SPI_IOC_WR_MAX_SPEED_HZ, &max_speed) < 0) {
int errsv = errno;
close(spi->fd);
spi->fd = -1;
return _spi_error(spi, SPI_ERROR_CONFIGURE, errsv, "Setting SPI max speed");
}
@@ -101,6 +103,7 @@ int spi_open_advanced(spi_t *spi, const char *path, unsigned int mode, uint32_t
if (ioctl(spi->fd, SPI_IOC_WR_BITS_PER_WORD, &bits_per_word) < 0) {
int errsv = errno;
close(spi->fd);
spi->fd = -1;
return _spi_error(spi, SPI_ERROR_CONFIGURE, errsv, "Setting SPI bits per word");
}