FEX-Emu/linux
1
0
Fork 0
mirror of https://github.com/FEX-Emu/linux.git synced 2024-12-16 05:50:19 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

tools:iio:generic_buffer: add error handling

Browse Source 
Add error handling to calls which can indicate a major problem by
returning an error code.

Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Hartmut Knaack 2015-05-31 14:40:04 +02:00 committed by Jonathan Cameron
parent c8ce9903cb
commit 6bb7cac855
1 changed files with 14 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
tools/iio/generic_buffer.c
View File

@ -347,7 +347,14 @@ int main(int argc, char **argv)
.events = POLLIN,
};
poll(&pfd, 1, -1);
ret = poll(&pfd, 1, -1);
if (ret < 0) {
ret = -errno;
goto error_close_buffer_access;
} else if (ret == 0) {
continue;
}
toread = buf_len;
} else {
@ -378,11 +385,14 @@ int main(int argc, char **argv)
if (!notrigger)
/* Disconnect the trigger - just write a dummy name. */
write_sysfs_string("trigger/current_trigger",
dev_dir_name, "NULL");
ret = write_sysfs_string("trigger/current_trigger",
dev_dir_name, "NULL");
if (ret < 0)
printf("Failed to write to %s\n", dev_dir_name);
error_close_buffer_access:
close(fp);
if (close(fp) == -1)
perror("Failed to close buffer");
error_free_buffer_access:
free(buffer_access);
error_free_data: