Hi!
Can you also change the error_function() to return void and remove the
return -1 from it?
> diff --git a/testcases/kernel/controllers/libcontrollers/libcontrollers.c
> b/testcases/kernel/controllers/libcontrollers/libcontrollers.c
> index b01e1b8..ebf9870 100644
> --- a/testcases/kernel/controllers/libcontrollers/libcontrollers.c
> +++ b/testcases/kernel/controllers/libcontrollers/libcontrollers.c
> @@ -50,8 +50,10 @@ int scan_shares_files(unsigned int *shares_pointer)
> /*
> * Check if we can get stat of the file
> */
> - if (lstat(fullpath, &statbuffer) < 0)
> + if (lstat(fullpath, &statbuffer) < 0) {
> error_function("Can not read stat for file ", fullpath);
> + return -1;
> + }
>
> if (S_ISDIR(statbuffer.st_mode) == 0) { /* not a directory */
> /*
> @@ -75,8 +77,10 @@ int scan_shares_files(unsigned int *shares_pointer)
> *path_pointer++ = '/';
> *path_pointer = 0;
>
> - if ((dp = opendir(fullpath)) == NULL) /* Error in opening directory */
> + if ((dp = opendir(fullpath)) == NULL) { /* Error in opening directory */
> error_function("Can't open ", fullpath);
> + return -1;
> + }
> /*
> * search all groups recursively and get total shares
> */
> @@ -99,8 +103,10 @@ int scan_shares_files(unsigned int *shares_pointer)
>
> path_pointer[-1] = 0;
>
> - if (closedir(dp) < 0)
> + if (closedir(dp) < 0) {
> error_function("Could not close dir ", fullpath);
> + return -1;
> + }
> return 0;
> }
>
> @@ -115,27 +121,35 @@ int read_file(char *filepath, int action, unsigned int
> *value)
> {
> int num_line = 0;
> FILE *fp;
> + int tmp;
> switch (action) {
> case GET_SHARES:
> - *value = read_shares_file(filepath);
> - if (*value == -1)
> + tmp = read_shares_file(filepath);
> + if (tmp == -1)
> return -1;
> + else
> + *value = (unsigned int)tmp;
There is no need for the else branch. If tmp is -1 the code below would
not be reached anyway.
> break;
>
> case GET_TASKS:
> fp = fopen(filepath, "r");
> - if (fp == NULL)
> + if (fp == NULL) {
> error_function("Could not open file", filepath);
> + return -1;
> + }
> while (fgets(target, LINE_MAX, fp) != NULL)
> num_line++;
> *value = (unsigned int)num_line;
> - if (fclose(fp))
> + if (fclose(fp)) {
> error_function("Could not close file", filepath);
> + return -1;
> + }
> break;
>
> default:
> error_function("Wrong action type passed to fun read_file for ",
> filepath);
> + return -1;
> break;
No need to keep the break after return.
> }
> return 0;
> @@ -159,17 +173,20 @@ inline int error_function(char *msg1, char *msg2)
> * the given pointer location. Returns 0 if success
> */
>
> -unsigned
> int read_shares_file(char *filepath)
> {
> FILE *fp;
> unsigned int shares;
> fp = fopen(filepath, "r");
> - if (fp == NULL)
> + if (fp == NULL) {
> error_function("Could not open file", filepath);
> + return -1;
> + }
> fscanf(fp, "%u", &shares);
> - if (fclose(fp))
> + if (fclose(fp)) {
> error_function("Could not close file", filepath);
> + return -1;
> + }
> return shares;
> }
>
> @@ -181,8 +198,10 @@ int write_to_file(char *file, const char *mode, unsigned
> int value)
> {
> FILE *fp;
> fp = fopen(file, mode);
> - if (fp == NULL)
> + if (fp == NULL) {
> error_function("in opening file for writing:", file);
> + return -1;
> + }
> fprintf(fp, "%u\n", value);
> fclose(fp);
> return 0;
> diff --git a/testcases/kernel/controllers/libcontrollers/libcontrollers.h
> b/testcases/kernel/controllers/libcontrollers/libcontrollers.h
> index 4001555..78a7fed 100644
> --- a/testcases/kernel/controllers/libcontrollers/libcontrollers.h
> +++ b/testcases/kernel/controllers/libcontrollers/libcontrollers.h
> @@ -72,7 +72,7 @@ enum{
>
> inline int error_function(char *msg1, char *msg2);
>
> -unsigned int read_shares_file (char *filepath);
> +int read_shares_file(char *filepath);
>
> int read_file(char *filepath, int action, unsigned int *value);
>
> --
> 1.9.1
>
--
Cyril Hrubis
chru...@suse.cz
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