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Commit a4d429e3 authored by Peter Meerwald's avatar Peter Meerwald Committed by Jonathan Cameron
Browse files

iio staging: fix potential memory/resource leaks in find_type_by_name() 



Signed-off-by: default avatarPeter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 578f737d

drivers/staging/iio/Documentation/iio_utils.h

+11 −4
Original line number Diff line number Diff line
@@ -472,23 +472,30 @@ inline int find_type_by_name(const char *name, const char *type) 
						+ strlen(type)

						+ numstrlen

						+ 6);

				if (filename == NULL)

				if (filename == NULL) {

					closedir(dp);

					return -ENOMEM;

				}

				sprintf(filename, "%s%s%d/name",

					iio_dir,

					type,

					number);

				nameFile = fopen(filename, "r");

				if (!nameFile)

				if (!nameFile) {

					free(filename);

					continue;

				}

				free(filename);

				fscanf(nameFile, "%s", thisname);

				if (strcmp(name, thisname) == 0)

					return number;

				fclose(nameFile);

				if (strcmp(name, thisname) == 0) {

					closedir(dp);

					return number;

				}

			}

		}

	}

	closedir(dp);

	return -ENODEV;

}