Fixed findings

List of Findings

Error: GCC_ANALYZER_WARNING (CWE-775): [#def1]
libnvme-1.10-build/libnvme-1.10/src/nvme/linux.c: scope_hint: In function ‘__nvme_open’
libnvme-1.10-build/libnvme-1.10/src/nvme/linux.c:58:16: warning[-Wanalyzer-fd-leak]: leak of file descriptor ‘open(path, 0)’
#   56|   	}
#   57|   
#   58|-> 	return open(path, O_RDONLY);
#   59|   }
#   60|   

Error: GCC_ANALYZER_WARNING (CWE-401): [#def2]
libnvme-1.10-build/libnvme-1.10/src/nvme/linux.c: scope_hint: In function ‘nvme_get_attr’
libnvme-1.10-build/libnvme-1.10/src/nvme/linux.c:487:30: warning[-Wanalyzer-malloc-leak]: leak of ‘__nvme_get_attr(path)’
#  485|   	if (value[strlen(value) - 1] == '\n')
#  486|   		value[strlen(value) - 1] = '\0';
#  487|-> 	while (strlen(value) > 0 && value[strlen(value) - 1] == ' ')
#  488|   		value[strlen(value) - 1] = '\0';
#  489|   

Error: CPPCHECK_WARNING (CWE-758): [#def3]
libnvme-1.10-build/libnvme-1.10/src/nvme/types.h:1550: error[shiftTooManyBitsSigned]: Shifting signed 32-bit value by 31 bits is undefined behaviour
# 1548|   	NVME_CTRL_OAES_NS			= 1 << 15,
# 1549|   	NVME_CTRL_OAES_ZD			= 1 << 27,
# 1550|-> 	NVME_CTRL_OAES_DL			= 1 << 31,
# 1551|   };
# 1552|   

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